9988875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 19420128

約数和(自身を除く): 9431253

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 683, 975, 1125, 1625, 2049, 2925, 3415, 4875, 6147, 8879, 10245, 14625, 17075, 26637, 30735, 44395, 51225, 79911, 85375, 133185, 153675, 221975, 256125, 399555, 665925, 768375, 1109875, 1997775, 3329625, 9988875]

約数ペア:

[(1, 9988875), (3, 3329625), (5, 1997775), (9, 1109875), (13, 768375), (15, 665925), (25, 399555), (39, 256125), (45, 221975), (65, 153675), (75, 133185), (117, 85375), (125, 79911), (195, 51225), (225, 44395), (325, 30735), (375, 26637), (585, 17075), (683, 14625), (975, 10245), (1125, 8879), (1625, 6147), (2049, 4875), (2925, 3415)]