778823019

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2441}}^1$

素因数の和:2570

約数の個数: 48

約数和(自身を含む): 1269332064

約数和(自身を除く): 490509045

約数列:

[1, 3, 9, 13, 27, 39, 81, 101, 117, 243, 303, 351, 909, 1053, 1313, 2441, 2727, 3159, 3939, 7323, 8181, 11817, 21969, 24543, 31733, 35451, 65907, 95199, 106353, 197721, 246541, 285597, 319059, 593163, 739623, 856791, 2218869, 2570373, 3205033, 6656607, 7711119, 9615099, 19969821, 28845297, 59909463, 86535891, 259607673, 778823019]

約数ペア:

[(1, 778823019), (3, 259607673), (9, 86535891), (13, 59909463), (27, 28845297), (39, 19969821), (81, 9615099), (101, 7711119), (117, 6656607), (243, 3205033), (303, 2570373), (351, 2218869), (909, 856791), (1053, 739623), (1313, 593163), (2441, 319059), (2727, 285597), (3159, 246541), (3939, 197721), (7323, 106353), (8181, 95199), (11817, 65907), (21969, 35451), (24543, 31733)]