68493915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31063}}^1$

素因数の和:31088

約数の個数: 36

約数和(自身を含む): 138110544

約数和(自身を除く): 69616629

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 31063, 93189, 155315, 217441, 279567, 465945, 652323, 1087205, 1397835, 1522087, 1956969, 3261615, 4566261, 7610435, 9784845, 13698783, 22831305, 68493915]

約数ペア:

[(1, 68493915), (3, 22831305), (5, 13698783), (7, 9784845), (9, 7610435), (15, 4566261), (21, 3261615), (35, 1956969), (45, 1522087), (49, 1397835), (63, 1087205), (105, 652323), (147, 465945), (245, 279567), (315, 217441), (441, 155315), (735, 93189), (2205, 31063)]