201917625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 424639488

約数和(自身を除く): 222721863

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 61, 65, 75, 91, 97, 105, 125, 175, 183, 195, 273, 291, 305, 325, 375, 427, 455, 485, 525, 679, 793, 875, 915, 975, 1261, 1281, 1365, 1455, 1525, 1625, 2037, 2135, 2275, 2379, 2425, 2625, 3395, 3783, 3965, 4575, 4875, 5551, 5917, 6305, 6405, 6825, 7275, 7625, 8827, 10185, 10675, 11375, 11895, 12125, 16653, 16975, 17751, 18915, 19825, 22875, 26481, 27755, 29585, 31525, 32025, 34125, 36375, 41419, 44135, 50925, 53375, 59475, 76921, 83265, 84875, 88755, 94575, 99125, 124257, 132405, 138775, 147925, 157625, 160125, 207095, 220675, 230763, 254625, 297375, 384605, 416325, 443775, 472875, 538447, 621285, 662025, 693875, 739625, 1035475, 1103375, 1153815, 1615341, 1923025, 2081625, 2218875, 2692235, 3106425, 3310125, 5177375, 5769075, 8076705, 9615125, 13461175, 15532125, 28845375, 40383525, 67305875, 201917625]

約数ペア:

[(1, 201917625), (3, 67305875), (5, 40383525), (7, 28845375), (13, 15532125), (15, 13461175), (21, 9615125), (25, 8076705), (35, 5769075), (39, 5177375), (61, 3310125), (65, 3106425), (75, 2692235), (91, 2218875), (97, 2081625), (105, 1923025), (125, 1615341), (175, 1153815), (183, 1103375), (195, 1035475), (273, 739625), (291, 693875), (305, 662025), (325, 621285), (375, 538447), (427, 472875), (455, 443775), (485, 416325), (525, 384605), (679, 297375), (793, 254625), (875, 230763), (915, 220675), (975, 207095), (1261, 160125), (1281, 157625), (1365, 147925), (1455, 138775), (1525, 132405), (1625, 124257), (2037, 99125), (2135, 94575), (2275, 88755), (2379, 84875), (2425, 83265), (2625, 76921), (3395, 59475), (3783, 53375), (3965, 50925), (4575, 44135), (4875, 41419), (5551, 36375), (5917, 34125), (6305, 32025), (6405, 31525), (6825, 29585), (7275, 27755), (7625, 26481), (8827, 22875), (10185, 19825), (10675, 18915), (11375, 17751), (11895, 16975), (12125, 16653)]