7987815

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1$

素因数の和:202

約数の個数: 60

約数和(自身を含む): 15835512

約数和(自身を除く): 7847697

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 163, 165, 297, 363, 405, 489, 495, 605, 815, 891, 1089, 1467, 1485, 1793, 1815, 2445, 3267, 4401, 4455, 5379, 5445, 7335, 8965, 9801, 13203, 16137, 16335, 19723, 22005, 26895, 48411, 49005, 59169, 66015, 80685, 98615, 145233, 177507, 242055, 295845, 532521, 726165, 887535, 1597563, 2662605, 7987815]

約数ペア:

[(1, 7987815), (3, 2662605), (5, 1597563), (9, 887535), (11, 726165), (15, 532521), (27, 295845), (33, 242055), (45, 177507), (55, 145233), (81, 98615), (99, 80685), (121, 66015), (135, 59169), (163, 49005), (165, 48411), (297, 26895), (363, 22005), (405, 19723), (489, 16335), (495, 16137), (605, 13203), (815, 9801), (891, 8965), (1089, 7335), (1467, 5445), (1485, 5379), (1793, 4455), (1815, 4401), (2445, 3267)]