248560479

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{1871}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 372340800

約数和(自身を除く): 123780321

約数列:

[1, 3, 9, 29, 87, 261, 509, 1527, 1871, 4581, 5613, 14761, 16839, 44283, 54259, 132849, 162777, 488331, 952339, 2857017, 8571051, 27617831, 82853493, 248560479]

約数ペア:

[(1, 248560479), (3, 82853493), (9, 27617831), (29, 8571051), (87, 2857017), (261, 952339), (509, 488331), (1527, 162777), (1871, 132849), (4581, 54259), (5613, 44283), (14761, 16839)]