25314723

素因数分解:

$3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:576

約数の個数: 36

約数和(自身を含む): 42948360

約数和(自身を除く): 17633637

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 411, 419, 441, 959, 1233, 1257, 2877, 2933, 3771, 6713, 8631, 8799, 20139, 20531, 26397, 57403, 60417, 61593, 172209, 184779, 401821, 516627, 1205463, 2812747, 3616389, 8438241, 25314723]

約数ペア:

[(1, 25314723), (3, 8438241), (7, 3616389), (9, 2812747), (21, 1205463), (49, 516627), (63, 401821), (137, 184779), (147, 172209), (411, 61593), (419, 60417), (441, 57403), (959, 26397), (1233, 20531), (1257, 20139), (2877, 8799), (2933, 8631), (3771, 6713)]