2080785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 4104000

約数和(自身を除く): 2023215

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 149, 245, 285, 399, 447, 665, 735, 745, 931, 1043, 1995, 2235, 2793, 2831, 3129, 4655, 5215, 7301, 8493, 13965, 14155, 15645, 19817, 21903, 36505, 42465, 59451, 99085, 109515, 138719, 297255, 416157, 693595, 2080785]

約数ペア:

[(1, 2080785), (3, 693595), (5, 416157), (7, 297255), (15, 138719), (19, 109515), (21, 99085), (35, 59451), (49, 42465), (57, 36505), (95, 21903), (105, 19817), (133, 15645), (147, 14155), (149, 13965), (245, 8493), (285, 7301), (399, 5215), (447, 4655), (665, 3129), (735, 2831), (745, 2793), (931, 2235), (1043, 1995)]