15001989

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 5526651

約数列:

[1, 3, 59, 131, 177, 393, 647, 1941, 7729, 23187, 38173, 84757, 114519, 254271, 5000663, 15001989]

約数ペア:

[(1, 15001989), (3, 5000663), (59, 254271), (131, 114519), (177, 84757), (393, 38173), (647, 23187), (1941, 7729)]