2497788165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{123439}}^1$

素因数の和:123537

約数の個数: 32

約数和(自身を含む): 4266086400

約数和(自身を除く): 1768298235

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 4047, 6745, 20235, 123439, 370317, 617195, 1851585, 2345341, 7036023, 8764169, 11726705, 26292507, 35180115, 43820845, 131462535, 166519211, 499557633, 832596055, 2497788165]

約数ペア:

[(1, 2497788165), (3, 832596055), (5, 499557633), (15, 166519211), (19, 131462535), (57, 43820845), (71, 35180115), (95, 26292507), (213, 11726705), (285, 8764169), (355, 7036023), (1065, 2345341), (1349, 1851585), (4047, 617195), (6745, 370317), (20235, 123439)]