11913237

素因数分解:

$3^4\times 7^1\times {\mathrm{21011}}^1$

素因数の和:21030

約数の個数: 20

約数和(自身を含む): 20339616

約数和(自身を除く): 8426379

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21011, 63033, 147077, 189099, 441231, 567297, 1323693, 1701891, 3971079, 11913237]

約数ペア:

[(1, 11913237), (3, 3971079), (7, 1701891), (9, 1323693), (21, 567297), (27, 441231), (63, 189099), (81, 147077), (189, 63033), (567, 21011)]