28125657

素因数分解:

$3^3\times 7^3\times {\mathrm{3037}}^1$

素因数の和:3067

約数の個数: 32

約数和(自身を含む): 48608000

約数和(自身を除く): 20482343

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3037, 3087, 9111, 9261, 21259, 27333, 63777, 81999, 148813, 191331, 446439, 573993, 1041691, 1339317, 3125073, 4017951, 9375219, 28125657]

約数ペア:

[(1, 28125657), (3, 9375219), (7, 4017951), (9, 3125073), (21, 1339317), (27, 1041691), (49, 573993), (63, 446439), (147, 191331), (189, 148813), (343, 81999), (441, 63777), (1029, 27333), (1323, 21259), (3037, 9261), (3087, 9111)]