18008151

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 29495808

約数和(自身を除く): 11487657

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 691, 1241, 1533, 2073, 3723, 4837, 8687, 11747, 14511, 26061, 35241, 50443, 82229, 151329, 246687, 353101, 857531, 1059303, 2572593, 6002717, 18008151]

約数ペア:

[(1, 18008151), (3, 6002717), (7, 2572593), (17, 1059303), (21, 857531), (51, 353101), (73, 246687), (119, 151329), (219, 82229), (357, 50443), (511, 35241), (691, 26061), (1241, 14511), (1533, 11747), (2073, 8687), (3723, 4837)]