40783257

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{1451}}^1$

素因数の和:1810

約数の個数: 20

約数和(自身を含む): 61140816

約数和(自身を除く): 20357559

約数列:

[1, 3, 9, 27, 81, 347, 1041, 1451, 3123, 4353, 9369, 13059, 28107, 39177, 117531, 503497, 1510491, 4531473, 13594419, 40783257]

約数ペア:

[(1, 40783257), (3, 13594419), (9, 4531473), (27, 1510491), (81, 503497), (347, 117531), (1041, 39177), (1451, 28107), (3123, 13059), (4353, 9369)]