1917967023

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{647743}}^1$

素因数の和:647803

約数の個数: 24

約数和(自身を含む): 3233538048

約数和(自身を除く): 1315571025

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 647743, 1943229, 4534201, 5829687, 13602603, 30443921, 40807809, 91331763, 213107447, 273995289, 639322341, 1917967023]

約数ペア:

[(1, 1917967023), (3, 639322341), (7, 273995289), (9, 213107447), (21, 91331763), (47, 40807809), (63, 30443921), (141, 13602603), (329, 5829687), (423, 4534201), (987, 1943229), (2961, 647743)]