1231310805

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1\times {\mathrm{1481}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 2018839680

約数和(自身を除く): 787528875

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1289, 1481, 3867, 4443, 6445, 7405, 19335, 22215, 55427, 63683, 166281, 191049, 277135, 318415, 831405, 955245, 1909009, 5727027, 9545045, 28635135, 82087387, 246262161, 410436935, 1231310805]

約数ペア:

[(1, 1231310805), (3, 410436935), (5, 246262161), (15, 82087387), (43, 28635135), (129, 9545045), (215, 5727027), (645, 1909009), (1289, 955245), (1481, 831405), (3867, 318415), (4443, 277135), (6445, 191049), (7405, 166281), (19335, 63683), (22215, 55427)]