71781321

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{15527}}^1$

素因数の和:15620

約数の個数: 16

約数和(自身を含む): 101366784

約数和(自身を除く): 29585463

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4623, 15527, 46581, 357121, 1040309, 1071363, 3120927, 23927107, 71781321]

約数ペア:

[(1, 71781321), (3, 23927107), (23, 3120927), (67, 1071363), (69, 1040309), (201, 357121), (1541, 46581), (4623, 15527)]