638205124029

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{177427057}}^1$

素因数の和:177427180

約数の個数: 16

約数和(自身を含む): 936814866240

約数和(自身を除く): 298609742211

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 177427057, 532281171, 1951697627, 5855092881, 19339549213, 58018647639, 212735041343, 638205124029]

約数ペア:

[(1, 638205124029), (3, 212735041343), (11, 58018647639), (33, 19339549213), (109, 5855092881), (327, 1951697627), (1199, 532281171), (3597, 177427057)]