11890809

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1091}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 19760832

約数和(自身を除く): 7870023

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1091, 1211, 1557, 3273, 3633, 7637, 9819, 10899, 22911, 68733, 188743, 566229, 1321201, 1698687, 3963603, 11890809]

約数ペア:

[(1, 11890809), (3, 3963603), (7, 1698687), (9, 1321201), (21, 566229), (63, 188743), (173, 68733), (519, 22911), (1091, 10899), (1211, 9819), (1557, 7637), (3273, 3633)]