2978379

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 4492800

約数和(自身を除く): 1514421

約数列:

[1, 3, 9, 59, 71, 79, 177, 213, 237, 531, 639, 711, 4189, 4661, 5609, 12567, 13983, 16827, 37701, 41949, 50481, 330931, 992793, 2978379]

約数ペア:

[(1, 2978379), (3, 992793), (9, 330931), (59, 50481), (71, 41949), (79, 37701), (177, 16827), (213, 13983), (237, 12567), (531, 5609), (639, 4661), (711, 4189)]