668831427

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 1075845888

約数和(自身を除く): 407014461

約数列:

[1, 3, 9, 11, 33, 99, 103, 107, 309, 321, 613, 927, 963, 1133, 1177, 1839, 3399, 3531, 5517, 6743, 10197, 10593, 11021, 20229, 33063, 60687, 63139, 65591, 99189, 121231, 189417, 196773, 363693, 568251, 590319, 694529, 721501, 1091079, 2083587, 2164503, 6250761, 6493509, 6755873, 20267619, 60802857, 74314603, 222943809, 668831427]

約数ペア:

[(1, 668831427), (3, 222943809), (9, 74314603), (11, 60802857), (33, 20267619), (99, 6755873), (103, 6493509), (107, 6250761), (309, 2164503), (321, 2083587), (613, 1091079), (927, 721501), (963, 694529), (1133, 590319), (1177, 568251), (1839, 363693), (3399, 196773), (3531, 189417), (5517, 121231), (6743, 99189), (10197, 65591), (10593, 63139), (11021, 60687), (20229, 33063)]