81380793

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{13291}}^1$

素因数の和:13464

約数の個数: 16

約数和(自身を含む): 117607616

約数和(自身を除く): 36226823

約数列:

[1, 3, 13, 39, 157, 471, 2041, 6123, 13291, 39873, 172783, 518349, 2086687, 6260061, 27126931, 81380793]

約数ペア:

[(1, 81380793), (3, 27126931), (13, 6260061), (39, 2086687), (157, 518349), (471, 172783), (2041, 39873), (6123, 13291)]