1187445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 2230272

約数和(自身を除く): 1042827

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 263, 301, 645, 789, 903, 1315, 1505, 1841, 3945, 4515, 5523, 9205, 11309, 27615, 33927, 56545, 79163, 169635, 237489, 395815, 1187445]

約数ペア:

[(1, 1187445), (3, 395815), (5, 237489), (7, 169635), (15, 79163), (21, 56545), (35, 33927), (43, 27615), (105, 11309), (129, 9205), (215, 5523), (263, 4515), (301, 3945), (645, 1841), (789, 1505), (903, 1315)]