28156185

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14551}}^1$

素因数の和:14605

約数の個数: 24

約数和(自身を含む): 49942464

約数和(自身を除く): 21786279

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14551, 43653, 72755, 130959, 218265, 625693, 654795, 1877079, 3128465, 5631237, 9385395, 28156185]

約数ペア:

[(1, 28156185), (3, 9385395), (5, 5631237), (9, 3128465), (15, 1877079), (43, 654795), (45, 625693), (129, 218265), (215, 130959), (387, 72755), (645, 43653), (1935, 14551)]