12158865

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 21221928

約数和(自身を除く): 9063063

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 1721, 2355, 5163, 7065, 8605, 15489, 25815, 77445, 270197, 810591, 1350985, 2431773, 4052955, 12158865]

約数ペア:

[(1, 12158865), (3, 4052955), (5, 2431773), (9, 1350985), (15, 810591), (45, 270197), (157, 77445), (471, 25815), (785, 15489), (1413, 8605), (1721, 7065), (2355, 5163)]