13021803

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:816

約数の個数: 20

約数和(自身を含む): 19549728

約数和(自身を除く): 6527925

約数列:

[1, 3, 9, 27, 81, 373, 431, 1119, 1293, 3357, 3879, 10071, 11637, 30213, 34911, 160763, 482289, 1446867, 4340601, 13021803]

約数ペア:

[(1, 13021803), (3, 4340601), (9, 1446867), (27, 482289), (81, 160763), (373, 34911), (431, 30213), (1119, 11637), (1293, 10071), (3357, 3879)]