16866561

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 24427008

約数和(自身を除く): 7560447

約数列:

[1, 3, 37, 47, 53, 61, 111, 141, 159, 183, 1739, 1961, 2257, 2491, 2867, 3233, 5217, 5883, 6771, 7473, 8601, 9699, 92167, 106079, 119621, 151951, 276501, 318237, 358863, 455853, 5622187, 16866561]

約数ペア:

[(1, 16866561), (3, 5622187), (37, 455853), (47, 358863), (53, 318237), (61, 276501), (111, 151951), (141, 119621), (159, 106079), (183, 92167), (1739, 9699), (1961, 8601), (2257, 7473), (2491, 6771), (2867, 5883), (3233, 5217)]