1987557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 3217536

約数和(自身を除く): 1229979

約数列:

[1, 3, 11, 13, 33, 39, 41, 113, 123, 143, 339, 429, 451, 533, 1243, 1353, 1469, 1599, 3729, 4407, 4633, 5863, 13899, 16159, 17589, 48477, 50963, 60229, 152889, 180687, 662519, 1987557]

約数ペア:

[(1, 1987557), (3, 662519), (11, 180687), (13, 152889), (33, 60229), (39, 50963), (41, 48477), (113, 17589), (123, 16159), (143, 13899), (339, 5863), (429, 4633), (451, 4407), (533, 3729), (1243, 1599), (1353, 1469)]