218860131

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{170851}}^1$

素因数の和:170922

約数の個数: 16

約数和(自身を含む): 338970368

約数和(自身を除く): 120110237

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 170851, 512553, 1195957, 3587871, 10421911, 31265733, 72953377, 218860131]

約数ペア:

[(1, 218860131), (3, 72953377), (7, 31265733), (21, 10421911), (61, 3587871), (183, 1195957), (427, 512553), (1281, 170851)]