749520021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{638977}}^1$

素因数の和:639020

約数の個数: 16

約数和(自身を含む): 1104153984

約数和(自身を除く): 354633963

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 638977, 1916931, 10862609, 14696471, 32587827, 44089413, 249840007, 749520021]

約数ペア:

[(1, 749520021), (3, 249840007), (17, 44089413), (23, 32587827), (51, 14696471), (69, 10862609), (391, 1916931), (1173, 638977)]