27381231

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 40687920

約数和(自身を除く): 13306689

約数列:

[1, 3, 9, 53, 137, 159, 411, 419, 477, 1233, 1257, 3771, 7261, 21783, 22207, 57403, 65349, 66621, 172209, 199863, 516627, 3042359, 9127077, 27381231]

約数ペア:

[(1, 27381231), (3, 9127077), (9, 3042359), (53, 516627), (137, 199863), (159, 172209), (411, 66621), (419, 65349), (477, 57403), (1233, 22207), (1257, 21783), (3771, 7261)]