11261997

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:810

約数の個数: 20

約数和(自身を含む): 16920156

約数和(自身を除く): 5658159

約数列:

[1, 3, 9, 27, 81, 257, 541, 771, 1623, 2313, 4869, 6939, 14607, 20817, 43821, 139037, 417111, 1251333, 3753999, 11261997]

約数ペア:

[(1, 11261997), (3, 3753999), (9, 1251333), (27, 417111), (81, 139037), (257, 43821), (541, 20817), (771, 14607), (1623, 6939), (2313, 4869)]