61986405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1319}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 107331840

約数和(自身を除く): 45345435

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 241, 723, 1205, 1319, 3133, 3615, 3957, 6595, 9399, 15665, 17147, 19785, 46995, 51441, 85735, 257205, 317879, 953637, 1589395, 4132427, 4768185, 12397281, 20662135, 61986405]

約数ペア:

[(1, 61986405), (3, 20662135), (5, 12397281), (13, 4768185), (15, 4132427), (39, 1589395), (65, 953637), (195, 317879), (241, 257205), (723, 85735), (1205, 51441), (1319, 46995), (3133, 19785), (3615, 17147), (3957, 15665), (6595, 9399)]