13405945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22531}}^1$

素因数の和:22560

約数の個数: 16

約数和(自身を含む): 19467648

約数和(自身を除く): 6061703

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 22531, 112655, 157717, 383027, 788585, 1915135, 2681189, 13405945]

約数ペア:

[(1, 13405945), (5, 2681189), (7, 1915135), (17, 788585), (35, 383027), (85, 157717), (119, 112655), (595, 22531)]