40329981

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 64209600

約数和(自身を除く): 23879619

約数列:

[1, 3, 9, 27, 29, 59, 81, 87, 97, 177, 243, 261, 291, 531, 783, 873, 1593, 1711, 2349, 2619, 2813, 4779, 5133, 5723, 7047, 7857, 8439, 14337, 15399, 17169, 23571, 25317, 46197, 51507, 75951, 138591, 154521, 165967, 227853, 415773, 463563, 497901, 683559, 1390689, 1493703, 4481109, 13443327, 40329981]

約数ペア:

[(1, 40329981), (3, 13443327), (9, 4481109), (27, 1493703), (29, 1390689), (59, 683559), (81, 497901), (87, 463563), (97, 415773), (177, 227853), (243, 165967), (261, 154521), (291, 138591), (531, 75951), (783, 51507), (873, 46197), (1593, 25317), (1711, 23571), (2349, 17169), (2619, 15399), (2813, 14337), (4779, 8439), (5133, 7857), (5723, 7047)]