20173030317

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{481721}}^1$

素因数の和:481791

約数の個数: 40

約数和(自身を含む): 33574096512

約数和(自身を除く): 13401066195

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 297, 423, 517, 891, 1269, 1551, 3807, 4653, 13959, 41877, 481721, 1445163, 4335489, 5298931, 13006467, 15896793, 22640887, 39019401, 47690379, 67922661, 143071137, 203767983, 249049757, 429213411, 611303949, 747149271, 1833911847, 2241447813, 6724343439, 20173030317]

約数ペア:

[(1, 20173030317), (3, 6724343439), (9, 2241447813), (11, 1833911847), (27, 747149271), (33, 611303949), (47, 429213411), (81, 249049757), (99, 203767983), (141, 143071137), (297, 67922661), (423, 47690379), (517, 39019401), (891, 22640887), (1269, 15896793), (1551, 13006467), (3807, 5298931), (4653, 4335489), (13959, 1445163), (41877, 481721)]