18397215

素因数分解:

$3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1801}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 32046768

約数和(自身を除く): 13649553

約数列:

[1, 3, 5, 9, 15, 45, 227, 681, 1135, 1801, 2043, 3405, 5403, 9005, 10215, 16209, 27015, 81045, 408827, 1226481, 2044135, 3679443, 6132405, 18397215]

約数ペア:

[(1, 18397215), (3, 6132405), (5, 3679443), (9, 2044135), (15, 1226481), (45, 408827), (227, 81045), (681, 27015), (1135, 16209), (1801, 10215), (2043, 9005), (3405, 5403)]