12761205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 21786624

約数和(自身を除く): 9025419

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 787, 1081, 2361, 3243, 3935, 5405, 11805, 16215, 18101, 36989, 54303, 90505, 110967, 184945, 271515, 554835, 850747, 2552241, 4253735, 12761205]

約数ペア:

[(1, 12761205), (3, 4253735), (5, 2552241), (15, 850747), (23, 554835), (47, 271515), (69, 184945), (115, 110967), (141, 90505), (235, 54303), (345, 36989), (705, 18101), (787, 16215), (1081, 11805), (2361, 5405), (3243, 3935)]