172904751

素因数分解:

$3^2\times {\mathrm{59}}^2\times {\mathrm{5519}}^1$

素因数の和:5643

約数の個数: 18

約数和(自身を含む): 254102160

約数和(自身を除く): 81197409

約数列:

[1, 3, 9, 59, 177, 531, 3481, 5519, 10443, 16557, 31329, 49671, 325621, 976863, 2930589, 19211639, 57634917, 172904751]

約数ペア:

[(1, 172904751), (3, 57634917), (9, 19211639), (59, 2930589), (177, 976863), (531, 325621), (3481, 49671), (5519, 31329), (10443, 16557)]