28485597

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 45385984

約数和(自身を除く): 16900387

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 427, 601, 777, 1281, 1803, 2257, 4207, 6771, 12621, 15799, 22237, 36661, 47397, 66711, 109983, 155659, 256627, 466977, 769881, 1356457, 4069371, 9495199, 28485597]

約数ペア:

[(1, 28485597), (3, 9495199), (7, 4069371), (21, 1356457), (37, 769881), (61, 466977), (111, 256627), (183, 155659), (259, 109983), (427, 66711), (601, 47397), (777, 36661), (1281, 22237), (1803, 15799), (2257, 12621), (4207, 6771)]