68805045

素因数分解:

$3^4\times 5^1\times {\mathrm{169889}}^1$

素因数の和:169906

約数の個数: 20

約数和(自身を含む): 123340140

約数和(自身を除く): 54535095

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 169889, 509667, 849445, 1529001, 2548335, 4587003, 7645005, 13761009, 22935015, 68805045]

約数ペア:

[(1, 68805045), (3, 22935015), (5, 13761009), (9, 7645005), (15, 4587003), (27, 2548335), (45, 1529001), (81, 849445), (135, 509667), (405, 169889)]