31755609

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 50526060

約数和(自身を除く): 18770451

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 289, 421, 493, 867, 1263, 1479, 2601, 3789, 4437, 7157, 8381, 12209, 21471, 25143, 36627, 64413, 75429, 109881, 121669, 207553, 365007, 622659, 1095021, 1867977, 3528401, 10585203, 31755609]

約数ペア:

[(1, 31755609), (3, 10585203), (9, 3528401), (17, 1867977), (29, 1095021), (51, 622659), (87, 365007), (153, 207553), (261, 121669), (289, 109881), (421, 75429), (493, 64413), (867, 36627), (1263, 25143), (1479, 21471), (2601, 12209), (3789, 8381), (4437, 7157)]