289770033

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 447759360

約数和(自身を除く): 157989327

約数列:

[1, 3, 7, 21, 157, 179, 471, 491, 537, 1099, 1253, 1473, 3297, 3437, 3759, 10311, 28103, 77087, 84309, 87889, 196721, 231261, 263667, 539609, 590163, 615223, 1618827, 1845669, 13798573, 41395719, 96590011, 289770033]

約数ペア:

[(1, 289770033), (3, 96590011), (7, 41395719), (21, 13798573), (157, 1845669), (179, 1618827), (471, 615223), (491, 590163), (537, 539609), (1099, 263667), (1253, 231261), (1473, 196721), (3297, 87889), (3437, 84309), (3759, 77087), (10311, 28103)]