28937020125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1171}}^1$

素因数の和:1376

約数の個数: 128

約数和(自身を含む): 53691176448

約数和(自身を除く): 24754156323

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 125, 137, 185, 195, 325, 375, 411, 481, 555, 685, 925, 975, 1171, 1443, 1625, 1781, 2055, 2405, 2775, 3425, 3513, 4625, 4875, 5069, 5343, 5855, 7215, 8905, 10275, 12025, 13875, 15207, 15223, 17125, 17565, 25345, 26715, 29275, 36075, 43327, 44525, 45669, 51375, 60125, 65897, 76035, 76115, 87825, 126725, 129981, 133575, 146375, 160427, 180375, 197691, 216635, 222625, 228345, 329485, 380175, 380575, 439125, 481281, 563251, 633625, 649905, 667875, 802135, 988455, 1083175, 1141725, 1647425, 1689753, 1900875, 1902875, 2085551, 2406405, 2816255, 3249525, 4010675, 4942275, 5415875, 5708625, 5935799, 6256653, 8237125, 8448765, 10427755, 12032025, 14081275, 16247625, 17807397, 20053375, 24711375, 29678995, 31283265, 42243825, 52138775, 60160125, 70406375, 77165387, 89036985, 148394975, 156416325, 211219125, 231496161, 260693875, 385826935, 445184925, 741974875, 782081625, 1157480805, 1929134675, 2225924625, 5787404025, 9645673375, 28937020125]

約数ペア:

[(1, 28937020125), (3, 9645673375), (5, 5787404025), (13, 2225924625), (15, 1929134675), (25, 1157480805), (37, 782081625), (39, 741974875), (65, 445184925), (75, 385826935), (111, 260693875), (125, 231496161), (137, 211219125), (185, 156416325), (195, 148394975), (325, 89036985), (375, 77165387), (411, 70406375), (481, 60160125), (555, 52138775), (685, 42243825), (925, 31283265), (975, 29678995), (1171, 24711375), (1443, 20053375), (1625, 17807397), (1781, 16247625), (2055, 14081275), (2405, 12032025), (2775, 10427755), (3425, 8448765), (3513, 8237125), (4625, 6256653), (4875, 5935799), (5069, 5708625), (5343, 5415875), (5855, 4942275), (7215, 4010675), (8905, 3249525), (10275, 2816255), (12025, 2406405), (13875, 2085551), (15207, 1902875), (15223, 1900875), (17125, 1689753), (17565, 1647425), (25345, 1141725), (26715, 1083175), (29275, 988455), (36075, 802135), (43327, 667875), (44525, 649905), (45669, 633625), (51375, 563251), (60125, 481281), (65897, 439125), (76035, 380575), (76115, 380175), (87825, 329485), (126725, 228345), (129981, 222625), (133575, 216635), (146375, 197691), (160427, 180375)]