2639013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 3822336

約数和(自身を除く): 1183323

約数列:

[1, 3, 13, 39, 157, 431, 471, 1293, 2041, 5603, 6123, 16809, 67667, 203001, 879671, 2639013]

約数ペア:

[(1, 2639013), (3, 879671), (13, 203001), (39, 67667), (157, 16809), (431, 6123), (471, 5603), (1293, 2041)]