25452861

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 40347648

約数和(自身を除く): 14894787

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 397, 497, 903, 1191, 1491, 2779, 3053, 8337, 9159, 17071, 21371, 28187, 51213, 64113, 84561, 119497, 197309, 358491, 591927, 1212041, 3636123, 8484287, 25452861]

約数ペア:

[(1, 25452861), (3, 8484287), (7, 3636123), (21, 1212041), (43, 591927), (71, 358491), (129, 197309), (213, 119497), (301, 84561), (397, 64113), (497, 51213), (903, 28187), (1191, 21371), (1491, 17071), (2779, 9159), (3053, 8337)]