26858727

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 46812480

約数和(自身を除く): 19953753

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 183, 203, 241, 261, 427, 549, 609, 723, 1281, 1687, 1769, 1827, 2169, 3843, 5061, 5307, 6989, 12383, 14701, 15183, 15921, 20967, 37149, 44103, 48923, 62901, 102907, 111447, 132309, 146769, 308721, 426329, 440307, 926163, 1278987, 2984303, 3836961, 8952909, 26858727]

約数ペア:

[(1, 26858727), (3, 8952909), (7, 3836961), (9, 2984303), (21, 1278987), (29, 926163), (61, 440307), (63, 426329), (87, 308721), (183, 146769), (203, 132309), (241, 111447), (261, 102907), (427, 62901), (549, 48923), (609, 44103), (723, 37149), (1281, 20967), (1687, 15921), (1769, 15183), (1827, 14701), (2169, 12383), (3843, 6989), (5061, 5307)]