67921425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 142990848

約数和(自身を除く): 75069423

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 2111, 2145, 2475, 2925, 3575, 6333, 6435, 10555, 10725, 18999, 23221, 27443, 31665, 32175, 52775, 69663, 82329, 94995, 116105, 137215, 158325, 208989, 246987, 301873, 348315, 411645, 474975, 580525, 686075, 905619, 1044945, 1234935, 1509365, 1741575, 2058225, 2716857, 4528095, 5224725, 6174675, 7546825, 13584285, 22640475, 67921425]

約数ペア:

[(1, 67921425), (3, 22640475), (5, 13584285), (9, 7546825), (11, 6174675), (13, 5224725), (15, 4528095), (25, 2716857), (33, 2058225), (39, 1741575), (45, 1509365), (55, 1234935), (65, 1044945), (75, 905619), (99, 686075), (117, 580525), (143, 474975), (165, 411645), (195, 348315), (225, 301873), (275, 246987), (325, 208989), (429, 158325), (495, 137215), (585, 116105), (715, 94995), (825, 82329), (975, 69663), (1287, 52775), (2111, 32175), (2145, 31665), (2475, 27443), (2925, 23221), (3575, 18999), (6333, 10725), (6435, 10555)]