140897979

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{539839}}^1$

素因数の和:539874

約数の個数: 12

約数和(自身を含む): 210537600

約数和(自身を除く): 69639621

約数列:

[1, 3, 9, 29, 87, 261, 539839, 1619517, 4858551, 15655331, 46965993, 140897979]

約数ペア:

[(1, 140897979), (3, 46965993), (9, 15655331), (29, 4858551), (87, 1619517), (261, 539839)]