25379109

素因数分解:

$3^3\times 7^2\times {\mathrm{19183}}^1$

素因数の和:19206

約数の個数: 24

約数和(自身を含む): 43739520

約数和(自身を除く): 18360411

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 19183, 57549, 134281, 172647, 402843, 517941, 939967, 1208529, 2819901, 3625587, 8459703, 25379109]

約数ペア:

[(1, 25379109), (3, 8459703), (7, 3625587), (9, 2819901), (21, 1208529), (27, 939967), (49, 517941), (63, 402843), (147, 172647), (189, 134281), (441, 57549), (1323, 19183)]