80721978

素因数分解:

$2^1\times 3^1\times {\mathrm{1627}}^1\times {\mathrm{8269}}^1$

素因数の和:9901

約数の個数: 16

約数和(自身を含む): 161562720

約数和(自身を除く): 80840742

約数列:

[1, 2, 3, 6, 1627, 3254, 4881, 8269, 9762, 16538, 24807, 49614, 13453663, 26907326, 40360989, 80721978]

約数ペア:

[(1, 80721978), (2, 40360989), (3, 26907326), (6, 13453663), (1627, 49614), (3254, 24807), (4881, 16538), (8269, 9762)]