25554921

素因数分解:

$3^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 39847104

約数和(自身を除く): 14292183

約数列:

[1, 3, 7, 21, 49, 147, 263, 661, 789, 1841, 1983, 4627, 5523, 12887, 13881, 32389, 38661, 97167, 173843, 521529, 1216901, 3650703, 8518307, 25554921]

約数ペア:

[(1, 25554921), (3, 8518307), (7, 3650703), (21, 1216901), (49, 521529), (147, 173843), (263, 97167), (661, 38661), (789, 32389), (1841, 13881), (1983, 12887), (4627, 5523)]