81420909

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{23417}}^1$

素因数の和:23500

約数の個数: 16

約数和(自身を含む): 116153280

約数和(自身を除く): 34732371

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 23417, 70251, 444923, 1334769, 1428437, 4285311, 27140303, 81420909]

約数ペア:

[(1, 81420909), (3, 27140303), (19, 4285311), (57, 1428437), (61, 1334769), (183, 444923), (1159, 70251), (3477, 23417)]