81381747

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{1109}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 110662560

約数和(自身を除く): 29280813

約数列:

[1, 3, 61, 183, 401, 1109, 1203, 3327, 24461, 67649, 73383, 202947, 444709, 1334127, 27127249, 81381747]

約数ペア:

[(1, 81381747), (3, 27127249), (61, 1334127), (183, 444709), (401, 202947), (1109, 73383), (1203, 67649), (3327, 24461)]