220187907

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{4153}}^1$

素因数の和:4339

約数の個数: 24

約数和(自身を含む): 327900144

約数和(自身を除く): 107712237

約数列:

[1, 3, 9, 43, 129, 137, 387, 411, 1233, 4153, 5891, 12459, 17673, 37377, 53019, 178579, 535737, 568961, 1607211, 1706883, 5120649, 24465323, 73395969, 220187907]

約数ペア:

[(1, 220187907), (3, 73395969), (9, 24465323), (43, 5120649), (129, 1706883), (137, 1607211), (387, 568961), (411, 535737), (1233, 178579), (4153, 53019), (5891, 37377), (12459, 17673)]