2991131241

素因数分解:

$3^1\times 7^1\times {\mathrm{11257}}^1\times {\mathrm{12653}}^1$

素因数の和:23920

約数の個数: 16

約数和(自身を含む): 4558679424

約数和(自身を除く): 1567548183

約数列:

[1, 3, 7, 21, 11257, 12653, 33771, 37959, 78799, 88571, 236397, 265713, 142434821, 427304463, 997043747, 2991131241]

約数ペア:

[(1, 2991131241), (3, 997043747), (7, 427304463), (21, 142434821), (11257, 265713), (12653, 236397), (33771, 88571), (37959, 78799)]