28158351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3989}}^1$

素因数の和:4186

約数の個数: 16

約数和(自身を含む): 40666080

約数和(自身を除く): 12507729

約数列:

[1, 3, 13, 39, 181, 543, 2353, 3989, 7059, 11967, 51857, 155571, 722009, 2166027, 9386117, 28158351]

約数ペア:

[(1, 28158351), (3, 9386117), (13, 2166027), (39, 722009), (181, 155571), (543, 51857), (2353, 11967), (3989, 7059)]