81636876

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{17579}}^1$

素因数の和:17635

約数の個数: 48

約数和(自身を含む): 216585600

約数和(自身を除く): 134948724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4644, 17579, 35158, 52737, 70316, 105474, 158211, 210948, 316422, 474633, 632844, 755897, 949266, 1511794, 1898532, 2267691, 3023588, 4535382, 6803073, 9070764, 13606146, 20409219, 27212292, 40818438, 81636876]

約数ペア:

[(1, 81636876), (2, 40818438), (3, 27212292), (4, 20409219), (6, 13606146), (9, 9070764), (12, 6803073), (18, 4535382), (27, 3023588), (36, 2267691), (43, 1898532), (54, 1511794), (86, 949266), (108, 755897), (129, 632844), (172, 474633), (258, 316422), (387, 210948), (516, 158211), (774, 105474), (1161, 70316), (1548, 52737), (2322, 35158), (4644, 17579)]