81661146

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{7507}}^1$

素因数の和:7563

約数の個数: 48

約数和(自身を含む): 195147936

約数和(自身を除く): 113486790

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1813, 3626, 5439, 7507, 10878, 15014, 22521, 45042, 52549, 105098, 157647, 277759, 315294, 367843, 555518, 735686, 833277, 1103529, 1666554, 1944313, 2207058, 3888626, 5832939, 11665878, 13610191, 27220382, 40830573, 81661146]

約数ペア:

[(1, 81661146), (2, 40830573), (3, 27220382), (6, 13610191), (7, 11665878), (14, 5832939), (21, 3888626), (37, 2207058), (42, 1944313), (49, 1666554), (74, 1103529), (98, 833277), (111, 735686), (147, 555518), (222, 367843), (259, 315294), (294, 277759), (518, 157647), (777, 105098), (1554, 52549), (1813, 45042), (3626, 22521), (5439, 15014), (7507, 10878)]