627505425

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 1158695928

約数和(自身を除く): 531190503

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 101, 159, 225, 265, 303, 477, 505, 521, 795, 909, 1325, 1515, 1563, 2385, 2525, 2605, 3975, 4545, 4689, 5353, 7575, 7815, 11925, 13025, 16059, 22725, 23445, 26765, 27613, 39075, 48177, 52621, 80295, 82839, 117225, 133825, 138065, 157863, 240885, 248517, 263105, 401475, 414195, 473589, 690325, 789315, 1204425, 1242585, 1315525, 2070975, 2367945, 2788913, 3946575, 6212925, 8366739, 11839725, 13944565, 25100217, 41833695, 69722825, 125501085, 209168475, 627505425]

約数ペア:

[(1, 627505425), (3, 209168475), (5, 125501085), (9, 69722825), (15, 41833695), (25, 25100217), (45, 13944565), (53, 11839725), (75, 8366739), (101, 6212925), (159, 3946575), (225, 2788913), (265, 2367945), (303, 2070975), (477, 1315525), (505, 1242585), (521, 1204425), (795, 789315), (909, 690325), (1325, 473589), (1515, 414195), (1563, 401475), (2385, 263105), (2525, 248517), (2605, 240885), (3975, 157863), (4545, 138065), (4689, 133825), (5353, 117225), (7575, 82839), (7815, 80295), (11925, 52621), (13025, 48177), (16059, 39075), (22725, 27613), (23445, 26765)]