723405087

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1381}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 1123731840

約数和(自身を除く): 400326753

約数列:

[1, 3, 9, 27, 29, 81, 87, 223, 261, 669, 783, 1381, 2007, 2349, 4143, 6021, 6467, 12429, 18063, 19401, 37287, 40049, 58203, 111861, 120147, 174609, 307963, 360441, 523827, 923889, 1081323, 2771667, 3243969, 8315001, 8930927, 24945003, 26792781, 80378343, 241135029, 723405087]

約数ペア:

[(1, 723405087), (3, 241135029), (9, 80378343), (27, 26792781), (29, 24945003), (81, 8930927), (87, 8315001), (223, 3243969), (261, 2771667), (669, 1081323), (783, 923889), (1381, 523827), (2007, 360441), (2349, 307963), (4143, 174609), (6021, 120147), (6467, 111861), (12429, 58203), (18063, 40049), (19401, 37287)]