25363821

素因数分解:

$3^1\times 7^3\times {\mathrm{157}}^2$

素因数の和:338

約数の個数: 24

約数和(自身を含む): 39691200

約数和(自身を除く): 14327379

約数列:

[1, 3, 7, 21, 49, 147, 157, 343, 471, 1029, 1099, 3297, 7693, 23079, 24649, 53851, 73947, 161553, 172543, 517629, 1207801, 3623403, 8454607, 25363821]

約数ペア:

[(1, 25363821), (3, 8454607), (7, 3623403), (21, 1207801), (49, 517629), (147, 172543), (157, 161553), (343, 73947), (471, 53851), (1029, 24649), (1099, 23079), (3297, 7693)]