25407711

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 43819776

約数和(自身を除く): 18412065

約数列:

[1, 3, 7, 9, 21, 43, 63, 83, 113, 129, 249, 301, 339, 387, 581, 747, 791, 903, 1017, 1743, 2373, 2709, 3569, 4859, 5229, 7119, 9379, 10707, 14577, 24983, 28137, 32121, 34013, 43731, 65653, 74949, 84411, 102039, 196959, 224847, 306117, 403297, 590877, 1209891, 2823079, 3629673, 8469237, 25407711]

約数ペア:

[(1, 25407711), (3, 8469237), (7, 3629673), (9, 2823079), (21, 1209891), (43, 590877), (63, 403297), (83, 306117), (113, 224847), (129, 196959), (249, 102039), (301, 84411), (339, 74949), (387, 65653), (581, 43731), (747, 34013), (791, 32121), (903, 28137), (1017, 24983), (1743, 14577), (2373, 10707), (2709, 9379), (3569, 7119), (4859, 5229)]