31678875

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 59136480

約数和(自身を除く): 27457605

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 725, 971, 1125, 1305, 2175, 2913, 3625, 4855, 6525, 8739, 10875, 14565, 24275, 28159, 32625, 43695, 72825, 84477, 121375, 140795, 218475, 253431, 364125, 422385, 703975, 1092375, 1267155, 2111925, 3519875, 6335775, 10559625, 31678875]

約数ペア:

[(1, 31678875), (3, 10559625), (5, 6335775), (9, 3519875), (15, 2111925), (25, 1267155), (29, 1092375), (45, 703975), (75, 422385), (87, 364125), (125, 253431), (145, 218475), (225, 140795), (261, 121375), (375, 84477), (435, 72825), (725, 43695), (971, 32625), (1125, 28159), (1305, 24275), (2175, 14565), (2913, 10875), (3625, 8739), (4855, 6525)]