31207917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 46964736

約数和(自身を除く): 15756819

約数列:

[1, 3, 13, 31, 39, 83, 93, 249, 311, 403, 933, 1079, 1209, 2573, 3237, 4043, 7719, 9641, 12129, 25813, 28923, 33449, 77439, 100347, 125333, 335569, 375999, 800203, 1006707, 2400609, 10402639, 31207917]

約数ペア:

[(1, 31207917), (3, 10402639), (13, 2400609), (31, 1006707), (39, 800203), (83, 375999), (93, 335569), (249, 125333), (311, 100347), (403, 77439), (933, 33449), (1079, 28923), (1209, 25813), (2573, 12129), (3237, 9641), (4043, 7719)]