18078225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 34551360

約数和(自身を除く): 16473135

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 1289, 2805, 3867, 4675, 6445, 14025, 14179, 19335, 21913, 32225, 42537, 65739, 70895, 96675, 109565, 212685, 241043, 328695, 354475, 547825, 723129, 1063425, 1205215, 1643475, 3615645, 6026075, 18078225]

約数ペア:

[(1, 18078225), (3, 6026075), (5, 3615645), (11, 1643475), (15, 1205215), (17, 1063425), (25, 723129), (33, 547825), (51, 354475), (55, 328695), (75, 241043), (85, 212685), (165, 109565), (187, 96675), (255, 70895), (275, 65739), (425, 42537), (561, 32225), (825, 21913), (935, 19335), (1275, 14179), (1289, 14025), (2805, 6445), (3867, 4675)]