78620643

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2017}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 117108576

約数和(自身を除く): 38487933

約数列:

[1, 3, 9, 61, 71, 183, 213, 549, 639, 2017, 4331, 6051, 12993, 18153, 38979, 123037, 143207, 369111, 429621, 1107333, 1288863, 8735627, 26206881, 78620643]

約数ペア:

[(1, 78620643), (3, 26206881), (9, 8735627), (61, 1288863), (71, 1107333), (183, 429621), (213, 369111), (549, 143207), (639, 123037), (2017, 38979), (4331, 18153), (6051, 12993)]