13404783

素因数分解:

$3^1\times 7^4\times {\mathrm{1861}}^1$

素因数の和:1892

約数の個数: 20

約数和(自身を含む): 20861848

約数和(自身を除く): 7457065

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1861, 2401, 5583, 7203, 13027, 39081, 91189, 273567, 638323, 1914969, 4468261, 13404783]

約数ペア:

[(1, 13404783), (3, 4468261), (7, 1914969), (21, 638323), (49, 273567), (147, 91189), (343, 39081), (1029, 13027), (1861, 7203), (2401, 5583)]