71840487

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 108928512

約数和(自身を除く): 37088025

約数列:

[1, 3, 17, 41, 43, 47, 51, 123, 129, 141, 289, 697, 731, 799, 867, 1763, 1927, 2021, 2091, 2193, 2397, 5289, 5781, 6063, 11849, 12427, 13583, 29971, 32759, 34357, 35547, 37281, 40749, 82861, 89913, 98277, 103071, 248583, 509507, 556903, 584069, 1408637, 1528521, 1670709, 1752207, 4225911, 23946829, 71840487]

約数ペア:

[(1, 71840487), (3, 23946829), (17, 4225911), (41, 1752207), (43, 1670709), (47, 1528521), (51, 1408637), (123, 584069), (129, 556903), (141, 509507), (289, 248583), (697, 103071), (731, 98277), (799, 89913), (867, 82861), (1763, 40749), (1927, 37281), (2021, 35547), (2091, 34357), (2193, 32759), (2397, 29971), (5289, 13583), (5781, 12427), (6063, 11849)]