25901421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5581}}^1$

素因数の和:5621

約数の個数: 32

約数和(自身を含む): 45013248

約数和(自身を除く): 19111827

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 5581, 16743, 39067, 72553, 94877, 117201, 217659, 284631, 507871, 664139, 1233401, 1523613, 1992417, 3700203, 8633807, 25901421]

約数ペア:

[(1, 25901421), (3, 8633807), (7, 3700203), (13, 1992417), (17, 1523613), (21, 1233401), (39, 664139), (51, 507871), (91, 284631), (119, 217659), (221, 117201), (273, 94877), (357, 72553), (663, 39067), (1547, 16743), (4641, 5581)]