84871917

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 141144640

約数和(自身を除く): 56272723

約数列:

[1, 3, 9, 13, 19, 39, 57, 73, 117, 171, 219, 247, 523, 657, 741, 949, 1387, 1569, 2223, 2847, 4161, 4707, 6799, 8541, 9937, 12483, 18031, 20397, 29811, 38179, 54093, 61191, 89433, 114537, 129181, 162279, 343611, 387543, 496327, 725401, 1162629, 1488981, 2176203, 4466943, 6528609, 9430213, 28290639, 84871917]

約数ペア:

[(1, 84871917), (3, 28290639), (9, 9430213), (13, 6528609), (19, 4466943), (39, 2176203), (57, 1488981), (73, 1162629), (117, 725401), (171, 496327), (219, 387543), (247, 343611), (523, 162279), (657, 129181), (741, 114537), (949, 89433), (1387, 61191), (1569, 54093), (2223, 38179), (2847, 29811), (4161, 20397), (4707, 18031), (6799, 12483), (8541, 9937)]