68079285

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1571}}^1$

素因数の和:1695

約数の個数: 40

約数和(自身を含む): 123257376

約数和(自身を除く): 55178091

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 405, 535, 963, 1571, 1605, 2889, 4713, 4815, 7855, 8667, 14139, 14445, 23565, 42417, 43335, 70695, 127251, 168097, 212085, 504291, 636255, 840485, 1512873, 2521455, 4538619, 7564365, 13615857, 22693095, 68079285]

約数ペア:

[(1, 68079285), (3, 22693095), (5, 13615857), (9, 7564365), (15, 4538619), (27, 2521455), (45, 1512873), (81, 840485), (107, 636255), (135, 504291), (321, 212085), (405, 168097), (535, 127251), (963, 70695), (1571, 43335), (1605, 42417), (2889, 23565), (4713, 14445), (4815, 14139), (7855, 8667)]