81309726

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{67421}}^1$

素因数の和:67496

約数の個数: 24

約数和(自身を含む): 178803144

約数和(自身を除く): 97493418

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 67421, 134842, 202263, 404526, 606789, 1213578, 4517207, 9034414, 13551621, 27103242, 40654863, 81309726]

約数ペア:

[(1, 81309726), (2, 40654863), (3, 27103242), (6, 13551621), (9, 9034414), (18, 4517207), (67, 1213578), (134, 606789), (201, 404526), (402, 202263), (603, 134842), (1206, 67421)]