1861857

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 2924064

約数和(自身を除く): 1062207

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 283, 387, 731, 849, 2193, 2547, 4811, 6579, 12169, 14433, 36507, 43299, 109521, 206873, 620619, 1861857]

約数ペア:

[(1, 1861857), (3, 620619), (9, 206873), (17, 109521), (43, 43299), (51, 36507), (129, 14433), (153, 12169), (283, 6579), (387, 4811), (731, 2547), (849, 2193)]