12761895

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 21648384

約数和(自身を除く): 8886489

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 521, 1065, 1563, 1633, 2605, 4899, 7815, 8165, 11983, 24495, 35949, 36991, 59915, 110973, 179745, 184955, 554865, 850793, 2552379, 4253965, 12761895]

約数ペア:

[(1, 12761895), (3, 4253965), (5, 2552379), (15, 850793), (23, 554865), (69, 184955), (71, 179745), (115, 110973), (213, 59915), (345, 36991), (355, 35949), (521, 24495), (1065, 11983), (1563, 8165), (1633, 7815), (2605, 4899)]