991518165

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20233}}^1$

素因数の和:20272

約数の個数: 60

約数和(自身を含む): 1953754572

約数和(自身を除く): 962236407

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 165, 297, 363, 405, 495, 605, 891, 1089, 1485, 1815, 3267, 4455, 5445, 9801, 16335, 20233, 49005, 60699, 101165, 182097, 222563, 303495, 546291, 667689, 910485, 1112815, 1638873, 2003067, 2448193, 2731455, 3338445, 6009201, 7344579, 8194365, 10015335, 12240965, 18027603, 22033737, 30046005, 36722895, 66101211, 90138015, 110168685, 198303633, 330506055, 991518165]

約数ペア:

[(1, 991518165), (3, 330506055), (5, 198303633), (9, 110168685), (11, 90138015), (15, 66101211), (27, 36722895), (33, 30046005), (45, 22033737), (55, 18027603), (81, 12240965), (99, 10015335), (121, 8194365), (135, 7344579), (165, 6009201), (297, 3338445), (363, 2731455), (405, 2448193), (495, 2003067), (605, 1638873), (891, 1112815), (1089, 910485), (1485, 667689), (1815, 546291), (3267, 303495), (4455, 222563), (5445, 182097), (9801, 101165), (16335, 60699), (20233, 49005)]