31542905

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 40848192

約数和(自身を除く): 9305287

約数列:

[1, 5, 17, 83, 85, 263, 289, 415, 1315, 1411, 1445, 4471, 7055, 21829, 22355, 23987, 76007, 109145, 119935, 371093, 380035, 1855465, 6308581, 31542905]

約数ペア:

[(1, 31542905), (5, 6308581), (17, 1855465), (83, 380035), (85, 371093), (263, 119935), (289, 109145), (415, 76007), (1315, 23987), (1411, 22355), (1445, 21829), (4471, 7055)]