18715125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 36691200

約数和(自身を除く): 17976075

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 125, 143, 165, 195, 275, 325, 349, 375, 429, 715, 825, 975, 1047, 1375, 1625, 1745, 2145, 3575, 3839, 4125, 4537, 4875, 5235, 8725, 10725, 11517, 13611, 17875, 19195, 22685, 26175, 43625, 49907, 53625, 57585, 68055, 95975, 113425, 130875, 149721, 249535, 287925, 340275, 479875, 567125, 748605, 1247675, 1439625, 1701375, 3743025, 6238375, 18715125]

約数ペア:

[(1, 18715125), (3, 6238375), (5, 3743025), (11, 1701375), (13, 1439625), (15, 1247675), (25, 748605), (33, 567125), (39, 479875), (55, 340275), (65, 287925), (75, 249535), (125, 149721), (143, 130875), (165, 113425), (195, 95975), (275, 68055), (325, 57585), (349, 53625), (375, 49907), (429, 43625), (715, 26175), (825, 22685), (975, 19195), (1047, 17875), (1375, 13611), (1625, 11517), (1745, 10725), (2145, 8725), (3575, 5235), (3839, 4875), (4125, 4537)]