25277721

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3449}}^1$

素因数の和:3808

約数の個数: 16

約数和(自身を含む): 38640000

約数和(自身を除く): 13362279

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 3449, 7329, 10347, 24143, 72429, 1203701, 3611103, 8425907, 25277721]

約数ペア:

[(1, 25277721), (3, 8425907), (7, 3611103), (21, 1203701), (349, 72429), (1047, 24143), (2443, 10347), (3449, 7329)]