25831953

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1619

約数の個数: 40

約数和(自身を含む): 45650880

約数和(自身を除く): 19818927

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1571, 1827, 2349, 4713, 5481, 10997, 14139, 16443, 32991, 42417, 45559, 98973, 127251, 136677, 296919, 318913, 410031, 890757, 956739, 1230093, 2870217, 3690279, 8610651, 25831953]

約数ペア:

[(1, 25831953), (3, 8610651), (7, 3690279), (9, 2870217), (21, 1230093), (27, 956739), (29, 890757), (63, 410031), (81, 318913), (87, 296919), (189, 136677), (203, 127251), (261, 98973), (567, 45559), (609, 42417), (783, 32991), (1571, 16443), (1827, 14139), (2349, 10997), (4713, 5481)]