81391734

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{67489}}^1$

素因数の和:67564

約数の個数: 24

約数和(自身を含む): 178983480

約数和(自身を除く): 97591746

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 67489, 134978, 202467, 404934, 607401, 1214802, 4521763, 9043526, 13565289, 27130578, 40695867, 81391734]

約数ペア:

[(1, 81391734), (2, 40695867), (3, 27130578), (6, 13565289), (9, 9043526), (18, 4521763), (67, 1214802), (134, 607401), (201, 404934), (402, 202467), (603, 134978), (1206, 67489)]