987343750953

素因数分解:

$3^2\times 7^1\times {\mathrm{60913}}^1\times {\mathrm{257287}}^1$

素因数の和:318213

約数の個数: 24

約数和(自身を含む): 1629933888128

約数和(自身を除く): 642590137175

約数列:

[1, 3, 7, 9, 21, 63, 60913, 182739, 257287, 426391, 548217, 771861, 1279173, 1801009, 2315583, 3837519, 5403027, 16209081, 15672123031, 47016369093, 109704861217, 141049107279, 329114583651, 987343750953]

約数ペア:

[(1, 987343750953), (3, 329114583651), (7, 141049107279), (9, 109704861217), (21, 47016369093), (63, 15672123031), (60913, 16209081), (182739, 5403027), (257287, 3837519), (426391, 2315583), (548217, 1801009), (771861, 1279173)]