90405639

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{5783}}^1$

素因数の和:5988

約数の個数: 20

約数和(自身を含む): 135773616

約数和(自身を除く): 45367977

約数列:

[1, 3, 9, 27, 81, 193, 579, 1737, 5211, 5783, 15633, 17349, 52047, 156141, 468423, 1116119, 3348357, 10045071, 30135213, 90405639]

約数ペア:

[(1, 90405639), (3, 30135213), (9, 10045071), (27, 3348357), (81, 1116119), (193, 468423), (579, 156141), (1737, 52047), (5211, 17349), (5783, 15633)]