13721778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 36003840

約数和(自身を除く): 22282062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1171, 1302, 1674, 1953, 2342, 3513, 3906, 5859, 7026, 8197, 10539, 11718, 16394, 21078, 24591, 31617, 36301, 49182, 63234, 72602, 73773, 108903, 147546, 217806, 221319, 254107, 326709, 442638, 508214, 653418, 762321, 980127, 1524642, 1960254, 2286963, 4573926, 6860889, 13721778]

約数ペア:

[(1, 13721778), (2, 6860889), (3, 4573926), (6, 2286963), (7, 1960254), (9, 1524642), (14, 980127), (18, 762321), (21, 653418), (27, 508214), (31, 442638), (42, 326709), (54, 254107), (62, 221319), (63, 217806), (93, 147546), (126, 108903), (186, 73773), (189, 72602), (217, 63234), (279, 49182), (378, 36301), (434, 31617), (558, 24591), (651, 21078), (837, 16394), (1171, 11718), (1302, 10539), (1674, 8197), (1953, 7026), (2342, 5859), (3513, 3906)]