28804749

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 42425856

約数和(自身を除く): 13621107

約数列:

[1, 3, 17, 47, 51, 61, 141, 183, 197, 591, 799, 1037, 2397, 2867, 3111, 3349, 8601, 9259, 10047, 12017, 27777, 36051, 48739, 146217, 157403, 204289, 472209, 564799, 612867, 1694397, 9601583, 28804749]

約数ペア:

[(1, 28804749), (3, 9601583), (17, 1694397), (47, 612867), (51, 564799), (61, 472209), (141, 204289), (183, 157403), (197, 146217), (591, 48739), (799, 36051), (1037, 27777), (2397, 12017), (2867, 10047), (3111, 9259), (3349, 8601)]