39857307

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 64389120

約数和(自身を除く): 24531813

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 399, 523, 573, 1337, 1569, 3629, 3661, 4011, 9937, 10887, 10983, 25403, 29811, 69559, 76209, 99893, 208677, 299679, 699251, 1897967, 2097753, 5693901, 13285769, 39857307]

約数ペア:

[(1, 39857307), (3, 13285769), (7, 5693901), (19, 2097753), (21, 1897967), (57, 699251), (133, 299679), (191, 208677), (399, 99893), (523, 76209), (573, 69559), (1337, 29811), (1569, 25403), (3629, 10983), (3661, 10887), (4011, 9937)]