12691125

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 23727600

約数和(自身を除く): 11036475

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 389, 435, 725, 1125, 1167, 1305, 1945, 2175, 3501, 3625, 5835, 6525, 9725, 10875, 11281, 17505, 29175, 32625, 33843, 48625, 56405, 87525, 101529, 145875, 169215, 282025, 437625, 507645, 846075, 1410125, 2538225, 4230375, 12691125]

約数ペア:

[(1, 12691125), (3, 4230375), (5, 2538225), (9, 1410125), (15, 846075), (25, 507645), (29, 437625), (45, 282025), (75, 169215), (87, 145875), (125, 101529), (145, 87525), (225, 56405), (261, 48625), (375, 33843), (389, 32625), (435, 29175), (725, 17505), (1125, 11281), (1167, 10875), (1305, 9725), (1945, 6525), (2175, 5835), (3501, 3625)]