18225837

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1321}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 31304960

約数和(自身を除く): 13079123

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1321, 1533, 1971, 3963, 4599, 9247, 11889, 13797, 27741, 35667, 83223, 96433, 249669, 289299, 675031, 867897, 2025093, 2603691, 6075279, 18225837]

約数ペア:

[(1, 18225837), (3, 6075279), (7, 2603691), (9, 2025093), (21, 867897), (27, 675031), (63, 289299), (73, 249669), (189, 96433), (219, 83223), (511, 35667), (657, 27741), (1321, 13797), (1533, 11889), (1971, 9247), (3963, 4599)]