140689281

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{3511}}^1$

素因数の和:3589

約数の個数: 24

約数和(自身を含む): 203386944

約数和(自身を除く): 62697663

約数列:

[1, 3, 19, 37, 57, 111, 361, 703, 1083, 2109, 3511, 10533, 13357, 40071, 66709, 129907, 200127, 389721, 1267471, 2468233, 3802413, 7404699, 46896427, 140689281]

約数ペア:

[(1, 140689281), (3, 46896427), (19, 7404699), (37, 3802413), (57, 2468233), (111, 1267471), (361, 389721), (703, 200127), (1083, 129907), (2109, 66709), (3511, 40071), (10533, 13357)]