31296915

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1049}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 32207085

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 663, 765, 1049, 1105, 1755, 1989, 2295, 3147, 3315, 5245, 5967, 9441, 9945, 13637, 15735, 17833, 28323, 29835, 40911, 47205, 53499, 68185, 89165, 122733, 141615, 160497, 204555, 231829, 267495, 368199, 481491, 613665, 695487, 802485, 1159145, 1840995, 2086461, 2407455, 3477435, 6259383, 10432305, 31296915]

約数ペア:

[(1, 31296915), (3, 10432305), (5, 6259383), (9, 3477435), (13, 2407455), (15, 2086461), (17, 1840995), (27, 1159145), (39, 802485), (45, 695487), (51, 613665), (65, 481491), (85, 368199), (117, 267495), (135, 231829), (153, 204555), (195, 160497), (221, 141615), (255, 122733), (351, 89165), (459, 68185), (585, 53499), (663, 47205), (765, 40911), (1049, 29835), (1105, 28323), (1755, 17833), (1989, 15735), (2295, 13637), (3147, 9945), (3315, 9441), (5245, 5967)]