28687041

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 46103904

約数和(自身を除く): 17416863

約数列:

[1, 3, 9, 17, 27, 51, 81, 83, 153, 249, 251, 459, 747, 753, 1377, 1411, 2241, 2259, 4233, 4267, 6723, 6777, 12699, 12801, 20331, 20833, 38097, 38403, 62499, 114291, 115209, 187497, 345627, 354161, 562491, 1062483, 1687473, 3187449, 9562347, 28687041]

約数ペア:

[(1, 28687041), (3, 9562347), (9, 3187449), (17, 1687473), (27, 1062483), (51, 562491), (81, 354161), (83, 345627), (153, 187497), (249, 115209), (251, 114291), (459, 62499), (747, 38403), (753, 38097), (1377, 20833), (1411, 20331), (2241, 12801), (2259, 12699), (4233, 6777), (4267, 6723)]