78776631

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{1949}}^1$

素因数の和:2460

約数の個数: 20

約数和(自身を含む): 117975000

約数和(自身を除く): 39198369

約数列:

[1, 3, 9, 27, 81, 499, 1497, 1949, 4491, 5847, 13473, 17541, 40419, 52623, 157869, 972551, 2917653, 8752959, 26258877, 78776631]

約数ペア:

[(1, 78776631), (3, 26258877), (9, 8752959), (27, 2917653), (81, 972551), (499, 157869), (1497, 52623), (1949, 40419), (4491, 17541), (5847, 13473)]