172871105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{136657}}^1$

素因数の和:136696

約数の個数: 16

約数和(自身を含む): 236145024

約数和(自身を除く): 63273919

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 136657, 683285, 1503227, 3143111, 7516135, 15715555, 34574221, 172871105]

約数ペア:

[(1, 172871105), (5, 34574221), (11, 15715555), (23, 7516135), (55, 3143111), (115, 1503227), (253, 683285), (1265, 136657)]