1461621

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 2318304

約数和(自身を除く): 856683

約数列:

[1, 3, 7, 21, 49, 61, 147, 163, 183, 427, 489, 1141, 1281, 2989, 3423, 7987, 8967, 9943, 23961, 29829, 69601, 208803, 487207, 1461621]

約数ペア:

[(1, 1461621), (3, 487207), (7, 208803), (21, 69601), (49, 29829), (61, 23961), (147, 9943), (163, 8967), (183, 7987), (427, 3423), (489, 2989), (1141, 1281)]