81144

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1$

素因数の和:49

約数の個数: 72

約数和(自身を含む): 266760

約数和(自身を除く): 185616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 392, 414, 441, 483, 504, 552, 588, 644, 828, 882, 966, 1127, 1176, 1288, 1449, 1656, 1764, 1932, 2254, 2898, 3381, 3528, 3864, 4508, 5796, 6762, 9016, 10143, 11592, 13524, 20286, 27048, 40572, 81144]

約数ペア:

[(1, 81144), (2, 40572), (3, 27048), (4, 20286), (6, 13524), (7, 11592), (8, 10143), (9, 9016), (12, 6762), (14, 5796), (18, 4508), (21, 3864), (23, 3528), (24, 3381), (28, 2898), (36, 2254), (42, 1932), (46, 1764), (49, 1656), (56, 1449), (63, 1288), (69, 1176), (72, 1127), (84, 966), (92, 882), (98, 828), (126, 644), (138, 588), (147, 552), (161, 504), (168, 483), (184, 441), (196, 414), (207, 392), (252, 322), (276, 294)]