67424721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 114774912

約数和(自身を除く): 47350191

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 257, 273, 403, 651, 771, 961, 1209, 1799, 2821, 2883, 3341, 5397, 6727, 7967, 8463, 10023, 12493, 20181, 23387, 23901, 37479, 55769, 70161, 87451, 103571, 167307, 246977, 262353, 310713, 724997, 740931, 1728839, 2174991, 3210701, 5186517, 9632103, 22474907, 67424721]

約数ペア:

[(1, 67424721), (3, 22474907), (7, 9632103), (13, 5186517), (21, 3210701), (31, 2174991), (39, 1728839), (91, 740931), (93, 724997), (217, 310713), (257, 262353), (273, 246977), (403, 167307), (651, 103571), (771, 87451), (961, 70161), (1209, 55769), (1799, 37479), (2821, 23901), (2883, 23387), (3341, 20181), (5397, 12493), (6727, 10023), (7967, 8463)]