16928325

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 32140800

約数和(自身を除く): 15212475

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 809, 837, 1395, 2325, 2427, 4045, 4185, 6975, 7281, 12135, 20225, 20925, 21843, 25079, 36405, 60675, 75237, 109215, 125395, 182025, 225711, 376185, 546075, 626975, 677133, 1128555, 1880925, 3385665, 5642775, 16928325]

約数ペア:

[(1, 16928325), (3, 5642775), (5, 3385665), (9, 1880925), (15, 1128555), (25, 677133), (27, 626975), (31, 546075), (45, 376185), (75, 225711), (93, 182025), (135, 125395), (155, 109215), (225, 75237), (279, 60675), (465, 36405), (675, 25079), (775, 21843), (809, 20925), (837, 20225), (1395, 12135), (2325, 7281), (2427, 6975), (4045, 4185)]