2175015969

素因数分解:

$3^6\times 7^2\times {\mathrm{60889}}^1$

素因数の和:60921

約数の個数: 42

約数和(自身を含む): 3793507890

約数和(自身を除く): 1618491921

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 3969, 5103, 11907, 35721, 60889, 182667, 426223, 548001, 1278669, 1644003, 2983561, 3836007, 4932009, 8950683, 11508021, 14796027, 26852049, 34524063, 44388081, 80556147, 103572189, 241668441, 310716567, 725005323, 2175015969]

約数ペア:

[(1, 2175015969), (3, 725005323), (7, 310716567), (9, 241668441), (21, 103572189), (27, 80556147), (49, 44388081), (63, 34524063), (81, 26852049), (147, 14796027), (189, 11508021), (243, 8950683), (441, 4932009), (567, 3836007), (729, 2983561), (1323, 1644003), (1701, 1278669), (3969, 548001), (5103, 426223), (11907, 182667), (35721, 60889)]