81377982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645857}}^1$

素因数の和:645872

約数の個数: 24

約数和(自身を含む): 201507696

約数和(自身を除く): 120129714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645857, 1291714, 1937571, 3875142, 4520999, 5812713, 9041998, 11625426, 13562997, 27125994, 40688991, 81377982]

約数ペア:

[(1, 81377982), (2, 40688991), (3, 27125994), (6, 13562997), (7, 11625426), (9, 9041998), (14, 5812713), (18, 4520999), (21, 3875142), (42, 1937571), (63, 1291714), (126, 645857)]