157429839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{691}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 253327360

約数和(自身を除く): 95897521

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 571, 691, 1713, 2073, 3997, 4837, 10849, 11991, 13129, 14511, 32547, 39387, 75943, 91903, 227829, 275709, 394561, 1183683, 2761927, 7496659, 8285781, 22489977, 52476613, 157429839]

約数ペア:

[(1, 157429839), (3, 52476613), (7, 22489977), (19, 8285781), (21, 7496659), (57, 2761927), (133, 1183683), (399, 394561), (571, 275709), (691, 227829), (1713, 91903), (2073, 75943), (3997, 39387), (4837, 32547), (10849, 14511), (11991, 13129)]