216529917

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1\times {\mathrm{1619}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 292248000

約数和(自身を除く): 75718083

約数列:

[1, 3, 109, 327, 409, 1227, 1619, 4857, 44581, 133743, 176471, 529413, 662171, 1986513, 72176639, 216529917]

約数ペア:

[(1, 216529917), (3, 72176639), (109, 1986513), (327, 662171), (409, 529413), (1227, 176471), (1619, 133743), (4857, 44581)]