26854317

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 47443968

約数和(自身を除く): 20589651

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 431, 483, 903, 989, 1293, 1449, 2709, 2967, 3017, 3879, 6923, 8901, 9051, 9913, 18533, 20769, 27153, 29739, 55599, 62307, 69391, 89217, 129731, 166797, 208173, 389193, 426259, 624519, 1167579, 1278777, 2983813, 3836331, 8951439, 26854317]

約数ペア:

[(1, 26854317), (3, 8951439), (7, 3836331), (9, 2983813), (21, 1278777), (23, 1167579), (43, 624519), (63, 426259), (69, 389193), (129, 208173), (161, 166797), (207, 129731), (301, 89217), (387, 69391), (431, 62307), (483, 55599), (903, 29739), (989, 27153), (1293, 20769), (1449, 18533), (2709, 9913), (2967, 9051), (3017, 8901), (3879, 6923)]