2990847

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 4239360

約数和(自身を除く): 1248513

約数列:

[1, 3, 19, 57, 137, 383, 411, 1149, 2603, 7277, 7809, 21831, 52471, 157413, 996949, 2990847]

約数ペア:

[(1, 2990847), (3, 996949), (19, 157413), (57, 52471), (137, 21831), (383, 7809), (411, 7277), (1149, 2603)]