31487625

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 61156368

約数和(自身を除く): 29668743

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1625, 2153, 2925, 4875, 6459, 10765, 14625, 19377, 27989, 32295, 53825, 83967, 96885, 139945, 161475, 251901, 269125, 419835, 484425, 699725, 807375, 1259505, 2099175, 2422125, 3498625, 6297525, 10495875, 31487625]

約数ペア:

[(1, 31487625), (3, 10495875), (5, 6297525), (9, 3498625), (13, 2422125), (15, 2099175), (25, 1259505), (39, 807375), (45, 699725), (65, 484425), (75, 419835), (117, 269125), (125, 251901), (195, 161475), (225, 139945), (325, 96885), (375, 83967), (585, 53825), (975, 32295), (1125, 27989), (1625, 19377), (2153, 14625), (2925, 10765), (4875, 6459)]