216566553

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12907}}^1$

素因数の和:12981

約数の個数: 32

約数和(自身を含む): 356880384

約数和(自身を除く): 140313831

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 2397, 5593, 12907, 16779, 38721, 90349, 219419, 271047, 606629, 658257, 1535933, 1819887, 4246403, 4607799, 10312693, 12739209, 30938079, 72188851, 216566553]

約数ペア:

[(1, 216566553), (3, 72188851), (7, 30938079), (17, 12739209), (21, 10312693), (47, 4607799), (51, 4246403), (119, 1819887), (141, 1535933), (329, 658257), (357, 606629), (799, 271047), (987, 219419), (2397, 90349), (5593, 38721), (12907, 16779)]