68045265

素因数分解:

$3^4\times 5^1\times {\mathrm{168013}}^1$

素因数の和:168030

約数の個数: 20

約数和(自身を含む): 121978164

約数和(自身を除く): 53932899

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 168013, 504039, 840065, 1512117, 2520195, 4536351, 7560585, 13609053, 22681755, 68045265]

約数ペア:

[(1, 68045265), (3, 22681755), (5, 13609053), (9, 7560585), (15, 4536351), (27, 2520195), (45, 1512117), (81, 840065), (135, 504039), (405, 168013)]