25423965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 51562368

約数和(自身を除く): 26138403

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1877, 1935, 2709, 4515, 5631, 9385, 13139, 13545, 16893, 28155, 39417, 65695, 80711, 84465, 118251, 197085, 242133, 403555, 564977, 591255, 726399, 1210665, 1694931, 2824885, 3631995, 5084793, 8474655, 25423965]

約数ペア:

[(1, 25423965), (3, 8474655), (5, 5084793), (7, 3631995), (9, 2824885), (15, 1694931), (21, 1210665), (35, 726399), (43, 591255), (45, 564977), (63, 403555), (105, 242133), (129, 197085), (215, 118251), (301, 84465), (315, 80711), (387, 65695), (645, 39417), (903, 28155), (1505, 16893), (1877, 13545), (1935, 13139), (2709, 9385), (4515, 5631)]