90540009

素因数分解:

$3^2\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2027}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 149747520

約数和(自身を除く): 59207511

約数列:

[1, 3, 7, 9, 21, 63, 709, 2027, 2127, 4963, 6081, 6381, 14189, 14889, 18243, 42567, 44667, 127701, 1437143, 4311429, 10060001, 12934287, 30180003, 90540009]

約数ペア:

[(1, 90540009), (3, 30180003), (7, 12934287), (9, 10060001), (21, 4311429), (63, 1437143), (709, 127701), (2027, 44667), (2127, 42567), (4963, 18243), (6081, 14889), (6381, 14189)]