7143591

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 11870208

約数和(自身を除く): 4726617

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 191, 273, 411, 573, 959, 1337, 1781, 2483, 2877, 4011, 5343, 7449, 12467, 17381, 26167, 37401, 52143, 78501, 183169, 340171, 549507, 1020513, 2381197, 7143591]

約数ペア:

[(1, 7143591), (3, 2381197), (7, 1020513), (13, 549507), (21, 340171), (39, 183169), (91, 78501), (137, 52143), (191, 37401), (273, 26167), (411, 17381), (573, 12467), (959, 7449), (1337, 5343), (1781, 4011), (2483, 2877)]