128980323

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 196188480

約数和(自身を除く): 67208157

約数列:

[1, 3, 9, 27, 53, 159, 173, 477, 519, 521, 1431, 1557, 1563, 4671, 4689, 9169, 14067, 27507, 27613, 82521, 82839, 90133, 247563, 248517, 270399, 745551, 811197, 2433591, 4777049, 14331147, 42993441, 128980323]

約数ペア:

[(1, 128980323), (3, 42993441), (9, 14331147), (27, 4777049), (53, 2433591), (159, 811197), (173, 745551), (477, 270399), (519, 248517), (521, 247563), (1431, 90133), (1557, 82839), (1563, 82521), (4671, 27613), (4689, 27507), (9169, 14067)]