81915156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{119759}}^1$

素因数の和:119788

約数の個数: 36

約数和(自身を含む): 217963200

約数和(自身を除く): 136048044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 119759, 239518, 359277, 479036, 718554, 1077831, 1437108, 2155662, 2275421, 4311324, 4550842, 6826263, 9101684, 13652526, 20478789, 27305052, 40957578, 81915156]

約数ペア:

[(1, 81915156), (2, 40957578), (3, 27305052), (4, 20478789), (6, 13652526), (9, 9101684), (12, 6826263), (18, 4550842), (19, 4311324), (36, 2275421), (38, 2155662), (57, 1437108), (76, 1077831), (114, 718554), (171, 479036), (228, 359277), (342, 239518), (684, 119759)]