15291339

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 24428544

約数和(自身を除く): 9137205

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 283, 581, 651, 849, 1743, 1981, 2573, 5943, 7719, 8773, 18011, 23489, 26319, 54033, 61411, 70467, 164423, 184233, 493269, 728159, 2184477, 5097113, 15291339]

約数ペア:

[(1, 15291339), (3, 5097113), (7, 2184477), (21, 728159), (31, 493269), (83, 184233), (93, 164423), (217, 70467), (249, 61411), (283, 54033), (581, 26319), (651, 23489), (849, 18011), (1743, 8773), (1981, 7719), (2573, 5943)]