31943925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 62919584

約数和(自身を除く): 30975659

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 67, 75, 117, 163, 195, 201, 225, 325, 335, 489, 585, 603, 815, 871, 975, 1005, 1467, 1675, 2119, 2445, 2613, 2925, 3015, 4075, 4355, 5025, 6357, 7335, 7839, 10595, 10921, 12225, 13065, 15075, 19071, 21775, 31785, 32763, 36675, 39195, 52975, 54605, 65325, 95355, 98289, 141973, 158925, 163815, 195975, 273025, 425919, 476775, 491445, 709865, 819075, 1277757, 2129595, 2457225, 3549325, 6388785, 10647975, 31943925]

約数ペア:

[(1, 31943925), (3, 10647975), (5, 6388785), (9, 3549325), (13, 2457225), (15, 2129595), (25, 1277757), (39, 819075), (45, 709865), (65, 491445), (67, 476775), (75, 425919), (117, 273025), (163, 195975), (195, 163815), (201, 158925), (225, 141973), (325, 98289), (335, 95355), (489, 65325), (585, 54605), (603, 52975), (815, 39195), (871, 36675), (975, 32763), (1005, 31785), (1467, 21775), (1675, 19071), (2119, 15075), (2445, 13065), (2613, 12225), (2925, 10921), (3015, 10595), (4075, 7839), (4355, 7335), (5025, 6357)]