13480875

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 25406784

約数和(自身を除く): 11925909

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 521, 575, 1035, 1125, 1563, 1725, 2605, 2875, 4689, 5175, 7815, 8625, 11983, 13025, 23445, 25875, 35949, 39075, 59915, 65125, 107847, 117225, 179745, 195375, 299575, 539235, 586125, 898725, 1497875, 2696175, 4493625, 13480875]

約数ペア:

[(1, 13480875), (3, 4493625), (5, 2696175), (9, 1497875), (15, 898725), (23, 586125), (25, 539235), (45, 299575), (69, 195375), (75, 179745), (115, 117225), (125, 107847), (207, 65125), (225, 59915), (345, 39075), (375, 35949), (521, 25875), (575, 23445), (1035, 13025), (1125, 11983), (1563, 8625), (1725, 7815), (2605, 5175), (2875, 4689)]