289181907

素因数分解:

$3^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{929}}^1$

素因数の和:1015

約数の個数: 56

約数和(自身を含む): 504179040

約数和(自身を除く): 214997133

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 243, 427, 549, 567, 729, 929, 1281, 1647, 1701, 2787, 3843, 4941, 5103, 6503, 8361, 11529, 14823, 19509, 25083, 34587, 44469, 56669, 58527, 75249, 103761, 170007, 175581, 225747, 311283, 396683, 510021, 526743, 677241, 1190049, 1530063, 1580229, 3570147, 4590189, 4740687, 10710441, 13770567, 32131323, 41311701, 96393969, 289181907]

約数ペア:

[(1, 289181907), (3, 96393969), (7, 41311701), (9, 32131323), (21, 13770567), (27, 10710441), (61, 4740687), (63, 4590189), (81, 3570147), (183, 1580229), (189, 1530063), (243, 1190049), (427, 677241), (549, 526743), (567, 510021), (729, 396683), (929, 311283), (1281, 225747), (1647, 175581), (1701, 170007), (2787, 103761), (3843, 75249), (4941, 58527), (5103, 56669), (6503, 44469), (8361, 34587), (11529, 25083), (14823, 19509)]