40287789

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 64157184

約数和(自身を除く): 23869395

約数列:

[1, 3, 9, 23, 41, 47, 69, 101, 123, 141, 207, 303, 369, 423, 909, 943, 1081, 1927, 2323, 2829, 3243, 4141, 4747, 5781, 6969, 8487, 9729, 12423, 14241, 17343, 20907, 37269, 42723, 44321, 95243, 109181, 132963, 194627, 285729, 327543, 398889, 583881, 857187, 982629, 1751643, 4476421, 13429263, 40287789]

約数ペア:

[(1, 40287789), (3, 13429263), (9, 4476421), (23, 1751643), (41, 982629), (47, 857187), (69, 583881), (101, 398889), (123, 327543), (141, 285729), (207, 194627), (303, 132963), (369, 109181), (423, 95243), (909, 44321), (943, 42723), (1081, 37269), (1927, 20907), (2323, 17343), (2829, 14241), (3243, 12423), (4141, 9729), (4747, 8487), (5781, 6969)]