7678881

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 13590720

約数和(自身を除く): 5911839

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 467, 567, 609, 783, 1401, 1827, 2349, 3269, 4203, 5481, 9807, 12609, 13543, 16443, 29421, 37827, 40629, 88263, 94801, 121887, 264789, 284403, 365661, 853209, 1096983, 2559627, 7678881]

約数ペア:

[(1, 7678881), (3, 2559627), (7, 1096983), (9, 853209), (21, 365661), (27, 284403), (29, 264789), (63, 121887), (81, 94801), (87, 88263), (189, 40629), (203, 37827), (261, 29421), (467, 16443), (567, 13543), (609, 12609), (783, 9807), (1401, 5481), (1827, 4203), (2349, 3269)]