31208553

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 47104200

約数和(自身を除く): 15895647

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 981, 1097, 3161, 3291, 9483, 9873, 28449, 31813, 95439, 119573, 286317, 358719, 1076157, 3467617, 10402851, 31208553]

約数ペア:

[(1, 31208553), (3, 10402851), (9, 3467617), (29, 1076157), (87, 358719), (109, 286317), (261, 119573), (327, 95439), (981, 31813), (1097, 28449), (3161, 9873), (3291, 9483)]