211997013

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1\times {\mathrm{1609}}^1$

素因数の和:2836

約数の個数: 16

約数和(自身を含む): 290727360

約数和(自身を除く): 78730347

約数列:

[1, 3, 37, 111, 1187, 1609, 3561, 4827, 43919, 59533, 131757, 178599, 1909883, 5729649, 70665671, 211997013]

約数ペア:

[(1, 211997013), (3, 70665671), (37, 5729649), (111, 1909883), (1187, 178599), (1609, 131757), (3561, 59533), (4827, 43919)]