2801547

素因数分解:

$3^8\times 7^1\times {\mathrm{61}}^1$

素因数の和:92

約数の個数: 36

約数和(自身を含む): 4881136

約数和(自身を除く): 2079589

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 243, 427, 549, 567, 729, 1281, 1647, 1701, 2187, 3843, 4941, 5103, 6561, 11529, 14823, 15309, 34587, 44469, 45927, 103761, 133407, 311283, 400221, 933849, 2801547]

約数ペア:

[(1, 2801547), (3, 933849), (7, 400221), (9, 311283), (21, 133407), (27, 103761), (61, 45927), (63, 44469), (81, 34587), (183, 15309), (189, 14823), (243, 11529), (427, 6561), (549, 5103), (567, 4941), (729, 3843), (1281, 2187), (1647, 1701)]