64066545

素因数分解:

$3^4\times 5^1\times {\mathrm{158189}}^1$

素因数の和:158206

約数の個数: 20

約数和(自身を含む): 114845940

約数和(自身を除く): 50779395

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 158189, 474567, 790945, 1423701, 2372835, 4271103, 7118505, 12813309, 21355515, 64066545]

約数ペア:

[(1, 64066545), (3, 21355515), (5, 12813309), (9, 7118505), (15, 4271103), (27, 2372835), (45, 1423701), (81, 790945), (135, 474567), (405, 158189)]