25628421

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13411}}^1$

素因数の和:13441

約数の個数: 24

約数和(自身を含む): 42811104

約数和(自身を除く): 17182683

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 13411, 40233, 93877, 174343, 281631, 523029, 657139, 1220401, 1971417, 3661203, 8542807, 25628421]

約数ペア:

[(1, 25628421), (3, 8542807), (7, 3661203), (13, 1971417), (21, 1220401), (39, 657139), (49, 523029), (91, 281631), (147, 174343), (273, 93877), (637, 40233), (1911, 13411)]