728435457

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{1433}}^1$

素因数の和:1790

約数の個数: 32

約数和(自身を含む): 1099935360

約数和(自身を除く): 371499903

約数列:

[1, 3, 9, 27, 67, 201, 281, 603, 843, 1433, 1809, 2529, 4299, 7587, 12897, 18827, 38691, 56481, 96011, 169443, 288033, 402673, 508329, 864099, 1208019, 2592297, 3624057, 10872171, 26979091, 80937273, 242811819, 728435457]

約数ペア:

[(1, 728435457), (3, 242811819), (9, 80937273), (27, 26979091), (67, 10872171), (201, 3624057), (281, 2592297), (603, 1208019), (843, 864099), (1433, 508329), (1809, 402673), (2529, 288033), (4299, 169443), (7587, 96011), (12897, 56481), (18827, 38691)]