81358155

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5851}}^1$

素因数の和:5968

約数の個数: 32

約数和(自身を含む): 146065920

約数和(自身を除く): 64707765

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 5851, 13905, 17553, 29255, 52659, 87765, 157977, 263295, 602653, 789885, 1807959, 3013265, 5423877, 9039795, 16271631, 27119385, 81358155]

約数ペア:

[(1, 81358155), (3, 27119385), (5, 16271631), (9, 9039795), (15, 5423877), (27, 3013265), (45, 1807959), (103, 789885), (135, 602653), (309, 263295), (515, 157977), (927, 87765), (1545, 52659), (2781, 29255), (4635, 17553), (5851, 13905)]