1228479

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 1950768

約数和(自身を除く): 722289

約数列:

[1, 3, 7, 21, 49, 61, 137, 147, 183, 411, 427, 959, 1281, 2877, 2989, 6713, 8357, 8967, 20139, 25071, 58499, 175497, 409493, 1228479]

約数ペア:

[(1, 1228479), (3, 409493), (7, 175497), (21, 58499), (49, 25071), (61, 20139), (137, 8967), (147, 8357), (183, 6713), (411, 2989), (427, 2877), (959, 1281)]