216665823

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{43481}}^1$

素因数の和:43646

約数の個数: 16

約数和(自身を含む): 317244672

約数和(自身を除く): 100578849

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4983, 43481, 130443, 478291, 1434873, 6565631, 19696893, 72221941, 216665823]

約数ペア:

[(1, 216665823), (3, 72221941), (11, 19696893), (33, 6565631), (151, 1434873), (453, 478291), (1661, 130443), (4983, 43481)]