21817125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 44972928

約数和(自身を除く): 23155803

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 43, 45, 55, 75, 99, 123, 125, 129, 165, 205, 215, 225, 275, 369, 375, 387, 451, 473, 495, 615, 645, 825, 1025, 1075, 1125, 1353, 1375, 1419, 1763, 1845, 1935, 2255, 2365, 2475, 3075, 3225, 4059, 4125, 4257, 5125, 5289, 5375, 6765, 7095, 8815, 9225, 9675, 11275, 11825, 12375, 15375, 15867, 16125, 19393, 20295, 21285, 26445, 33825, 35475, 44075, 46125, 48375, 56375, 58179, 59125, 79335, 96965, 101475, 106425, 132225, 169125, 174537, 177375, 220375, 290895, 396675, 484825, 507375, 532125, 661125, 872685, 1454475, 1983375, 2424125, 4363425, 7272375, 21817125]

約数ペア:

[(1, 21817125), (3, 7272375), (5, 4363425), (9, 2424125), (11, 1983375), (15, 1454475), (25, 872685), (33, 661125), (41, 532125), (43, 507375), (45, 484825), (55, 396675), (75, 290895), (99, 220375), (123, 177375), (125, 174537), (129, 169125), (165, 132225), (205, 106425), (215, 101475), (225, 96965), (275, 79335), (369, 59125), (375, 58179), (387, 56375), (451, 48375), (473, 46125), (495, 44075), (615, 35475), (645, 33825), (825, 26445), (1025, 21285), (1075, 20295), (1125, 19393), (1353, 16125), (1375, 15867), (1419, 15375), (1763, 12375), (1845, 11825), (1935, 11275), (2255, 9675), (2365, 9225), (2475, 8815), (3075, 7095), (3225, 6765), (4059, 5375), (4125, 5289), (4257, 5125)]