831569475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2209

約数の個数: 72

約数和(自身を含む): 1547081536

約数和(自身を除く): 715512061

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 121, 129, 165, 215, 275, 363, 473, 605, 645, 825, 1075, 1419, 1815, 2131, 2365, 3025, 3225, 5203, 6393, 7095, 9075, 10655, 11825, 15609, 23441, 26015, 31965, 35475, 53275, 70323, 78045, 91633, 117205, 130075, 159825, 257851, 274899, 351615, 390225, 458165, 586025, 773553, 1007963, 1289255, 1374495, 1758075, 2290825, 3023889, 3867765, 5039815, 6446275, 6872475, 11087593, 15119445, 19338825, 25199075, 33262779, 55437965, 75597225, 166313895, 277189825, 831569475]

約数ペア:

[(1, 831569475), (3, 277189825), (5, 166313895), (11, 75597225), (15, 55437965), (25, 33262779), (33, 25199075), (43, 19338825), (55, 15119445), (75, 11087593), (121, 6872475), (129, 6446275), (165, 5039815), (215, 3867765), (275, 3023889), (363, 2290825), (473, 1758075), (605, 1374495), (645, 1289255), (825, 1007963), (1075, 773553), (1419, 586025), (1815, 458165), (2131, 390225), (2365, 351615), (3025, 274899), (3225, 257851), (5203, 159825), (6393, 130075), (7095, 117205), (9075, 91633), (10655, 78045), (11825, 70323), (15609, 53275), (23441, 35475), (26015, 31965)]