253951257

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{1171}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 405043200

約数和(自身を除く): 151091943

約数列:

[1, 3, 7, 21, 23, 69, 161, 449, 483, 1171, 1347, 3143, 3513, 8197, 9429, 10327, 24591, 26933, 30981, 72289, 80799, 188531, 216867, 525779, 565593, 1577337, 3680453, 11041359, 12092917, 36278751, 84650419, 253951257]

約数ペア:

[(1, 253951257), (3, 84650419), (7, 36278751), (21, 12092917), (23, 11041359), (69, 3680453), (161, 1577337), (449, 565593), (483, 525779), (1171, 216867), (1347, 188531), (3143, 80799), (3513, 72289), (8197, 30981), (9429, 26933), (10327, 24591)]