90397839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3191}}^1$

素因数の和:3291

約数の個数: 32

約数和(自身を含む): 147087360

約数和(自身を除く): 56689521

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 3191, 4047, 9443, 9573, 22337, 28329, 60629, 67011, 181887, 226561, 424403, 679683, 1273209, 1585927, 4304659, 4757781, 12913977, 30132613, 90397839]

約数ペア:

[(1, 90397839), (3, 30132613), (7, 12913977), (19, 4757781), (21, 4304659), (57, 1585927), (71, 1273209), (133, 679683), (213, 424403), (399, 226561), (497, 181887), (1349, 67011), (1491, 60629), (3191, 28329), (4047, 22337), (9443, 9573)]