87665721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1129}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 138203520

約数和(自身を除く): 50537799

約数列:

[1, 3, 11, 13, 33, 39, 143, 181, 429, 543, 1129, 1991, 2353, 3387, 5973, 7059, 12419, 14677, 25883, 37257, 44031, 77649, 161447, 204349, 484341, 613047, 2247839, 2656537, 6743517, 7969611, 29221907, 87665721]

約数ペア:

[(1, 87665721), (3, 29221907), (11, 7969611), (13, 6743517), (33, 2656537), (39, 2247839), (143, 613047), (181, 484341), (429, 204349), (543, 161447), (1129, 77649), (1991, 44031), (2353, 37257), (3387, 25883), (5973, 14677), (7059, 12419)]