165331375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 240510816

約数和(自身を除く): 75179441

約数列:

[1, 5, 11, 17, 25, 55, 85, 121, 125, 187, 275, 425, 605, 643, 935, 1375, 2057, 2125, 3025, 3215, 4675, 7073, 10285, 10931, 15125, 16075, 23375, 35365, 51425, 54655, 77803, 80375, 120241, 176825, 257125, 273275, 389015, 601205, 884125, 1322651, 1366375, 1945075, 3006025, 6613255, 9725375, 15030125, 33066275, 165331375]

約数ペア:

[(1, 165331375), (5, 33066275), (11, 15030125), (17, 9725375), (25, 6613255), (55, 3006025), (85, 1945075), (121, 1366375), (125, 1322651), (187, 884125), (275, 601205), (425, 389015), (605, 273275), (643, 257125), (935, 176825), (1375, 120241), (2057, 80375), (2125, 77803), (3025, 54655), (3215, 51425), (4675, 35365), (7073, 23375), (10285, 16075), (10931, 15125)]