199384779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{40013}}^1$

素因数の和:40178

約数の個数: 16

約数和(自身を含む): 291942144

約数和(自身を除く): 92557365

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4983, 40013, 120039, 440143, 1320429, 6041963, 18125889, 66461593, 199384779]

約数ペア:

[(1, 199384779), (3, 66461593), (11, 18125889), (33, 6041963), (151, 1320429), (453, 440143), (1661, 120039), (4983, 40013)]