15256125

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 28035072

約数和(自身を除く): 12778947

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 191, 213, 225, 355, 375, 573, 639, 955, 1065, 1125, 1719, 1775, 2865, 3195, 4775, 5325, 8595, 8875, 13561, 14325, 15975, 23875, 26625, 40683, 42975, 67805, 71625, 79875, 122049, 203415, 214875, 339025, 610245, 1017075, 1695125, 3051225, 5085375, 15256125]

約数ペア:

[(1, 15256125), (3, 5085375), (5, 3051225), (9, 1695125), (15, 1017075), (25, 610245), (45, 339025), (71, 214875), (75, 203415), (125, 122049), (191, 79875), (213, 71625), (225, 67805), (355, 42975), (375, 40683), (573, 26625), (639, 23875), (955, 15975), (1065, 14325), (1125, 13561), (1719, 8875), (1775, 8595), (2865, 5325), (3195, 4775)]