145378071

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{18503}}^1$

素因数の和:18612

約数の個数: 20

約数和(自身を含む): 219420432

約数和(自身を除く): 74042361

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 7857, 18503, 55509, 166527, 499581, 1498743, 1794791, 5384373, 16153119, 48459357, 145378071]

約数ペア:

[(1, 145378071), (3, 48459357), (9, 16153119), (27, 5384373), (81, 1794791), (97, 1498743), (291, 499581), (873, 166527), (2619, 55509), (7857, 18503)]