218610495

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12553}}^1$

素因数の和:12613

約数の個数: 40

約数和(自身を含む): 401024976

約数和(自身を除く): 182414481

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 12553, 17415, 37659, 62765, 112977, 188295, 338931, 539779, 564885, 1016793, 1619337, 1694655, 2698895, 4858011, 5083965, 8096685, 14574033, 24290055, 43722099, 72870165, 218610495]

約数ペア:

[(1, 218610495), (3, 72870165), (5, 43722099), (9, 24290055), (15, 14574033), (27, 8096685), (43, 5083965), (45, 4858011), (81, 2698895), (129, 1694655), (135, 1619337), (215, 1016793), (387, 564885), (405, 539779), (645, 338931), (1161, 188295), (1935, 112977), (3483, 62765), (5805, 37659), (12553, 17415)]