199268517

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{155557}}^1$

素因数の和:155628

約数の個数: 16

約数和(自身を含む): 308627072

約数和(自身を除く): 109358555

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 155557, 466671, 1088899, 3266697, 9488977, 28466931, 66422839, 199268517]

約数ペア:

[(1, 199268517), (3, 66422839), (7, 28466931), (21, 9488977), (61, 3266697), (183, 1088899), (427, 466671), (1281, 155557)]