7581789

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 12153600

約数和(自身を除く): 4571811

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 421, 621, 667, 783, 1263, 2001, 3789, 6003, 9683, 11367, 12209, 18009, 29049, 36627, 87147, 109881, 261441, 280807, 329643, 842421, 2527263, 7581789]

約数ペア:

[(1, 7581789), (3, 2527263), (9, 842421), (23, 329643), (27, 280807), (29, 261441), (69, 109881), (87, 87147), (207, 36627), (261, 29049), (421, 18009), (621, 12209), (667, 11367), (783, 9683), (1263, 6003), (2001, 3789)]