20151747

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:395

約数の個数: 56

約数和(自身を含む): 37774080

約数和(自身を除く): 17622333

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 359, 567, 693, 729, 891, 1077, 1701, 2079, 2513, 2673, 3231, 3949, 5103, 6237, 7539, 8019, 9693, 11847, 18711, 22617, 27643, 29079, 35541, 56133, 67851, 82929, 87237, 106623, 203553, 248787, 261711, 319869, 610659, 746361, 959607, 1831977, 2239083, 2878821, 6717249, 20151747]

約数ペア:

[(1, 20151747), (3, 6717249), (7, 2878821), (9, 2239083), (11, 1831977), (21, 959607), (27, 746361), (33, 610659), (63, 319869), (77, 261711), (81, 248787), (99, 203553), (189, 106623), (231, 87237), (243, 82929), (297, 67851), (359, 56133), (567, 35541), (693, 29079), (729, 27643), (891, 22617), (1077, 18711), (1701, 11847), (2079, 9693), (2513, 8019), (2673, 7539), (3231, 6237), (3949, 5103)]