81552303

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21221}}^1$

素因数の和:21295

約数の個数: 24

約数和(自身を含む): 136839456

約数和(自身を除く): 55287153

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 21221, 63663, 148547, 190989, 445641, 1294481, 1336923, 3883443, 9061367, 11650329, 27184101, 81552303]

約数ペア:

[(1, 81552303), (3, 27184101), (7, 11650329), (9, 9061367), (21, 3883443), (61, 1336923), (63, 1294481), (183, 445641), (427, 190989), (549, 148547), (1281, 63663), (3843, 21221)]