81990468

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{36151}}^1$

素因数の和:36174

約数の個数: 60

約数和(自身を含む): 244965952

約数和(自身を除く): 162975484

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, 252, 324, 378, 567, 756, 1134, 2268, 36151, 72302, 108453, 144604, 216906, 253057, 325359, 433812, 506114, 650718, 759171, 976077, 1012228, 1301436, 1518342, 1952154, 2277513, 2928231, 3036684, 3904308, 4555026, 5856462, 6832539, 9110052, 11712924, 13665078, 20497617, 27330156, 40995234, 81990468]

約数ペア:

[(1, 81990468), (2, 40995234), (3, 27330156), (4, 20497617), (6, 13665078), (7, 11712924), (9, 9110052), (12, 6832539), (14, 5856462), (18, 4555026), (21, 3904308), (27, 3036684), (28, 2928231), (36, 2277513), (42, 1952154), (54, 1518342), (63, 1301436), (81, 1012228), (84, 976077), (108, 759171), (126, 650718), (162, 506114), (189, 433812), (252, 325359), (324, 253057), (378, 216906), (567, 144604), (756, 108453), (1134, 72302), (2268, 36151)]