28201563

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5879}}^1$

素因数の和:5939

約数の個数: 24

約数和(自身を含む): 44946720

約数和(自身を除く): 16745157

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 5879, 17637, 52911, 76427, 229281, 241039, 687843, 723117, 2169351, 3133507, 9400521, 28201563]

約数ペア:

[(1, 28201563), (3, 9400521), (9, 3133507), (13, 2169351), (39, 723117), (41, 687843), (117, 241039), (123, 229281), (369, 76427), (533, 52911), (1599, 17637), (4797, 5879)]