25987671

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 38610000

約数和(自身を除く): 12622329

約数列:

[1, 3, 9, 59, 109, 177, 327, 449, 531, 981, 1347, 4041, 6431, 19293, 26491, 48941, 57879, 79473, 146823, 238419, 440469, 2887519, 8662557, 25987671]

約数ペア:

[(1, 25987671), (3, 8662557), (9, 2887519), (59, 440469), (109, 238419), (177, 146823), (327, 79473), (449, 57879), (531, 48941), (981, 26491), (1347, 19293), (4041, 6431)]