81411855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18911}}^1$

素因数の和:18967

約数の個数: 32

約数和(自身を含む): 152506368

約数和(自身を除く): 71094513

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 18911, 56733, 94555, 132377, 283665, 397131, 661885, 775351, 1985655, 2326053, 3876755, 5427457, 11630265, 16282371, 27137285, 81411855]

約数ペア:

[(1, 81411855), (3, 27137285), (5, 16282371), (7, 11630265), (15, 5427457), (21, 3876755), (35, 2326053), (41, 1985655), (105, 775351), (123, 661885), (205, 397131), (287, 283665), (615, 132377), (861, 94555), (1435, 56733), (4305, 18911)]