68400891

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{44971}}^1$

素因数の和:45003

約数の個数: 18

約数和(自身を含む): 106988388

約数和(自身を除く): 38587497

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 44971, 134913, 404739, 584623, 1753869, 5261607, 7600099, 22800297, 68400891]

約数ペア:

[(1, 68400891), (3, 22800297), (9, 7600099), (13, 5261607), (39, 1753869), (117, 584623), (169, 404739), (507, 134913), (1521, 44971)]