128840907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{23767}}^1$

素因数の和:23922

約数の個数: 16

約数和(自身を含む): 186341120

約数和(自身を除く): 57500213

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 23767, 71301, 308971, 926913, 3303613, 9910839, 42946969, 128840907]

約数ペア:

[(1, 128840907), (3, 42946969), (13, 9910839), (39, 3303613), (139, 926913), (417, 308971), (1807, 71301), (5421, 23767)]