18401607

素因数分解:

$3^3\times 7^3\times {\mathrm{1987}}^1$

素因数の和:2017

約数の個数: 32

約数和(自身を含む): 31808000

約数和(自身を除く): 13406393

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 1987, 3087, 5961, 9261, 13909, 17883, 41727, 53649, 97363, 125181, 292089, 375543, 681541, 876267, 2044623, 2628801, 6133869, 18401607]

約数ペア:

[(1, 18401607), (3, 6133869), (7, 2628801), (9, 2044623), (21, 876267), (27, 681541), (49, 375543), (63, 292089), (147, 125181), (189, 97363), (343, 53649), (441, 41727), (1029, 17883), (1323, 13909), (1987, 9261), (3087, 5961)]