2060721

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 3523520

約数和(自身を除く): 1462799

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 103, 117, 171, 247, 309, 351, 513, 741, 927, 1053, 1339, 1539, 1957, 2223, 2781, 4017, 5871, 6669, 8343, 12051, 17613, 20007, 25441, 36153, 52839, 76323, 108459, 158517, 228969, 686907, 2060721]

約数ペア:

[(1, 2060721), (3, 686907), (9, 228969), (13, 158517), (19, 108459), (27, 76323), (39, 52839), (57, 36153), (81, 25441), (103, 20007), (117, 17613), (171, 12051), (247, 8343), (309, 6669), (351, 5871), (513, 4017), (741, 2781), (927, 2223), (1053, 1957), (1339, 1539)]