1231165

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 1686528

約数和(自身を除く): 455363

約数列:

[1, 5, 13, 31, 47, 65, 155, 169, 235, 403, 611, 845, 1457, 2015, 3055, 5239, 7285, 7943, 18941, 26195, 39715, 94705, 246233, 1231165]

約数ペア:

[(1, 1231165), (5, 246233), (13, 94705), (31, 39715), (47, 26195), (65, 18941), (155, 7943), (169, 7285), (235, 5239), (403, 3055), (611, 2015), (845, 1457)]