220171215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1334371}}^1$

素因数の和:1334390

約数の個数: 16

約数和(自身を含む): 384299136

約数和(自身を除く): 164127921

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1334371, 4003113, 6671855, 14678081, 20015565, 44034243, 73390405, 220171215]

約数ペア:

[(1, 220171215), (3, 73390405), (5, 44034243), (11, 20015565), (15, 14678081), (33, 6671855), (55, 4003113), (165, 1334371)]