1320773769

素因数分解:

$3^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4243}}^1$

素因数の和:4329

約数の個数: 56

約数和(自身を含む): 2300791232

約数和(自身を除く): 980017463

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 243, 427, 549, 567, 729, 1281, 1647, 1701, 3843, 4243, 4941, 5103, 11529, 12729, 14823, 29701, 34587, 38187, 44469, 89103, 103761, 114561, 258823, 267309, 311283, 343683, 776469, 801927, 1031049, 1811761, 2329407, 2405781, 3093147, 5435283, 6988221, 7217343, 16305849, 20964663, 21652029, 48917547, 62893989, 146752641, 188681967, 440257923, 1320773769]

約数ペア:

[(1, 1320773769), (3, 440257923), (7, 188681967), (9, 146752641), (21, 62893989), (27, 48917547), (61, 21652029), (63, 20964663), (81, 16305849), (183, 7217343), (189, 6988221), (243, 5435283), (427, 3093147), (549, 2405781), (567, 2329407), (729, 1811761), (1281, 1031049), (1647, 801927), (1701, 776469), (3843, 343683), (4243, 311283), (4941, 267309), (5103, 258823), (11529, 114561), (12729, 103761), (14823, 89103), (29701, 44469), (34587, 38187)]