257954427

素因数分解:

$3^2\times {\mathrm{1451}}^1\times {\mathrm{19753}}^1$

素因数の和:21210

約数の個数: 12

約数和(自身を含む): 372876504

約数和(自身を除く): 114922077

約数列:

[1, 3, 9, 1451, 4353, 13059, 19753, 59259, 177777, 28661603, 85984809, 257954427]

約数ペア:

[(1, 257954427), (3, 85984809), (9, 28661603), (1451, 177777), (4353, 59259), (13059, 19753)]