204889665

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 332657280

約数和(自身を除く): 127767615

約数列:

[1, 3, 5, 15, 137, 179, 411, 537, 557, 685, 895, 1671, 2055, 2685, 2785, 8355, 24523, 73569, 76309, 99703, 122615, 228927, 299109, 367845, 381545, 498515, 1144635, 1495545, 13659311, 40977933, 68296555, 204889665]

約数ペア:

[(1, 204889665), (3, 68296555), (5, 40977933), (15, 13659311), (137, 1495545), (179, 1144635), (411, 498515), (537, 381545), (557, 367845), (685, 299109), (895, 228927), (1671, 122615), (2055, 99703), (2685, 76309), (2785, 73569), (8355, 24523)]