217467729

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{2753}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 321358752

約数和(自身を除く): 103891023

約数列:

[1, 3, 9, 67, 131, 201, 393, 603, 1179, 2753, 8259, 8777, 24777, 26331, 78993, 184451, 360643, 553353, 1081929, 1660059, 3245787, 24163081, 72489243, 217467729]

約数ペア:

[(1, 217467729), (3, 72489243), (9, 24163081), (67, 3245787), (131, 1660059), (201, 1081929), (393, 553353), (603, 360643), (1179, 184451), (2753, 78993), (8259, 26331), (8777, 24777)]