28850787

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12377}}^1$

素因数の和:12427

約数の個数: 24

約数和(自身を含む): 48917856

約数和(自身を除く): 20067069

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12377, 37131, 86639, 111393, 259917, 457949, 779751, 1373847, 3205643, 4121541, 9616929, 28850787]

約数ペア:

[(1, 28850787), (3, 9616929), (7, 4121541), (9, 3205643), (21, 1373847), (37, 779751), (63, 457949), (111, 259917), (259, 111393), (333, 86639), (777, 37131), (2331, 12377)]