81356202

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{63659}}^1$

素因数の和:63738

約数の個数: 24

約数和(自身を含む): 178757280

約数和(自身を除く): 97401078

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 63659, 127318, 190977, 381954, 572931, 1145862, 4519789, 9039578, 13559367, 27118734, 40678101, 81356202]

約数ペア:

[(1, 81356202), (2, 40678101), (3, 27118734), (6, 13559367), (9, 9039578), (18, 4519789), (71, 1145862), (142, 572931), (213, 381954), (426, 190977), (639, 127318), (1278, 63659)]