11389581

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 18892224

約数和(自身を除く): 7502643

約数列:

[1, 3, 7, 9, 21, 63, 347, 521, 1041, 1563, 2429, 3123, 3647, 4689, 7287, 10941, 21861, 32823, 180787, 542361, 1265509, 1627083, 3796527, 11389581]

約数ペア:

[(1, 11389581), (3, 3796527), (7, 1627083), (9, 1265509), (21, 542361), (63, 180787), (347, 32823), (521, 21861), (1041, 10941), (1563, 7287), (2429, 4689), (3123, 3647)]