31104405

素因数分解:

$3^4\times 5^1\times {\mathrm{76801}}^1$

素因数の和:76818

約数の個数: 20

約数和(自身を含む): 55758252

約数和(自身を除く): 24653847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 76801, 230403, 384005, 691209, 1152015, 2073627, 3456045, 6220881, 10368135, 31104405]

約数ペア:

[(1, 31104405), (3, 10368135), (5, 6220881), (9, 3456045), (15, 2073627), (27, 1152015), (45, 691209), (81, 384005), (135, 230403), (405, 76801)]