15787347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 7436973

約数列:

[1, 3, 19, 47, 57, 71, 83, 141, 213, 249, 893, 1349, 1577, 2679, 3337, 3901, 4047, 4731, 5893, 10011, 11703, 17679, 63403, 74119, 111967, 190209, 222357, 276971, 335901, 830913, 5262449, 15787347]

約数ペア:

[(1, 15787347), (3, 5262449), (19, 830913), (47, 335901), (57, 276971), (71, 222357), (83, 190209), (141, 111967), (213, 74119), (249, 63403), (893, 17679), (1349, 11703), (1577, 10011), (2679, 5893), (3337, 4731), (3901, 4047)]