28670265

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49009}}^1$

素因数の和:49033

約数の個数: 24

約数和(自身を含む): 53518920

約数和(自身を除く): 24848655

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 49009, 147027, 245045, 441081, 637117, 735135, 1911351, 2205405, 3185585, 5734053, 9556755, 28670265]

約数ペア:

[(1, 28670265), (3, 9556755), (5, 5734053), (9, 3185585), (13, 2205405), (15, 1911351), (39, 735135), (45, 637117), (65, 441081), (117, 245045), (195, 147027), (585, 49009)]