312129021

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 448081920

約数和(自身を除く): 135952899

約数列:

[1, 3, 23, 47, 69, 109, 141, 327, 883, 1081, 2507, 2649, 3243, 5123, 7521, 15369, 20309, 41501, 60927, 96247, 117829, 124503, 288741, 353487, 954523, 2213681, 2863569, 4523609, 6641043, 13570827, 104043007, 312129021]

約数ペア:

[(1, 312129021), (3, 104043007), (23, 13570827), (47, 6641043), (69, 4523609), (109, 2863569), (141, 2213681), (327, 954523), (883, 353487), (1081, 288741), (2507, 124503), (2649, 117829), (3243, 96247), (5123, 60927), (7521, 41501), (15369, 20309)]