9880221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 15015168

約数和(自身を除く): 5134947

約数列:

[1, 3, 13, 37, 39, 41, 111, 123, 167, 481, 501, 533, 1443, 1517, 1599, 2171, 4551, 6179, 6513, 6847, 18537, 19721, 20541, 59163, 80327, 89011, 240981, 253339, 267033, 760017, 3293407, 9880221]

約数ペア:

[(1, 9880221), (3, 3293407), (13, 760017), (37, 267033), (39, 253339), (41, 240981), (111, 89011), (123, 80327), (167, 59163), (481, 20541), (501, 19721), (533, 18537), (1443, 6847), (1517, 6513), (1599, 6179), (2171, 4551)]