81328212

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11953}}^1$

素因数の和:11979

約数の個数: 72

約数和(自身を含む): 243670336

約数和(自身を除く): 162342124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 11953, 23906, 35859, 47812, 71718, 83671, 107577, 143436, 167342, 215154, 251013, 322731, 334684, 430308, 502026, 645462, 753039, 968193, 1004052, 1290924, 1506078, 1936386, 2259117, 2904579, 3012156, 3872772, 4518234, 5809158, 6777351, 9036468, 11618316, 13554702, 20332053, 27109404, 40664106, 81328212]

約数ペア:

[(1, 81328212), (2, 40664106), (3, 27109404), (4, 20332053), (6, 13554702), (7, 11618316), (9, 9036468), (12, 6777351), (14, 5809158), (18, 4518234), (21, 3872772), (27, 3012156), (28, 2904579), (36, 2259117), (42, 1936386), (54, 1506078), (63, 1290924), (81, 1004052), (84, 968193), (108, 753039), (126, 645462), (162, 502026), (189, 430308), (243, 334684), (252, 322731), (324, 251013), (378, 215154), (486, 167342), (567, 143436), (756, 107577), (972, 83671), (1134, 71718), (1701, 47812), (2268, 35859), (3402, 23906), (6804, 11953)]