1661261751

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{16273}}^1$

素因数の和:16500

約数の個数: 32

約数和(自身を含む): 2603840000

約数和(自身を除く): 942578249

約数列:

[1, 3, 9, 19, 27, 57, 171, 199, 513, 597, 1791, 3781, 5373, 11343, 16273, 34029, 48819, 102087, 146457, 309187, 439371, 927561, 2782683, 3238327, 8348049, 9714981, 29144943, 61528213, 87434829, 184584639, 553753917, 1661261751]

約数ペア:

[(1, 1661261751), (3, 553753917), (9, 184584639), (19, 87434829), (27, 61528213), (57, 29144943), (171, 9714981), (199, 8348049), (513, 3238327), (597, 2782683), (1791, 927561), (3781, 439371), (5373, 309187), (11343, 146457), (16273, 102087), (34029, 48819)]