978470997

素因数分解:

$3^1\times 7^1\times {\mathrm{1861}}^1\times {\mathrm{25037}}^1$

素因数の和:26908

約数の個数: 16

約数和(自身を含む): 1491864192

約数和(自身を除く): 513393195

約数列:

[1, 3, 7, 21, 1861, 5583, 13027, 25037, 39081, 75111, 175259, 525777, 46593857, 139781571, 326156999, 978470997]

約数ペア:

[(1, 978470997), (3, 326156999), (7, 139781571), (21, 46593857), (1861, 525777), (5583, 175259), (13027, 75111), (25037, 39081)]