81957447

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21227}}^1$

素因数の和:21260

約数の個数: 32

約数和(自身を含む): 142652160

約数和(自身を除く): 60694713

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 21227, 63681, 191043, 233497, 275951, 573129, 700491, 827853, 2101473, 2483559, 3035461, 6304419, 7450677, 9106383, 27319149, 81957447]

約数ペア:

[(1, 81957447), (3, 27319149), (9, 9106383), (11, 7450677), (13, 6304419), (27, 3035461), (33, 2483559), (39, 2101473), (99, 827853), (117, 700491), (143, 573129), (297, 275951), (351, 233497), (429, 191043), (1287, 63681), (3861, 21227)]