31605721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3347}}^1$

素因数の和:3444

約数の個数: 16

約数和(自身を含む): 38568960

約数和(自身を除く): 6963239

約数列:

[1, 7, 19, 71, 133, 497, 1349, 3347, 9443, 23429, 63593, 237637, 445151, 1663459, 4515103, 31605721]

約数ペア:

[(1, 31605721), (7, 4515103), (19, 1663459), (71, 445151), (133, 237637), (497, 63593), (1349, 23429), (3347, 9443)]