254485497

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{180871}}^1$

素因数の和:180948

約数の個数: 16

約数和(自身を含む): 393577472

約数和(自身を除く): 139091975

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 180871, 542613, 1266097, 3798291, 12118357, 36355071, 84828499, 254485497]

約数ペア:

[(1, 254485497), (3, 84828499), (7, 36355071), (21, 12118357), (67, 3798291), (201, 1266097), (469, 542613), (1407, 180871)]