780778755

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 1379514240

約数和(自身を除く): 598735485

約数列:

[1, 3, 5, 9, 15, 45, 89, 137, 267, 411, 445, 685, 801, 1233, 1335, 1423, 2055, 4005, 4269, 6165, 7115, 12193, 12807, 21345, 36579, 60965, 64035, 109737, 126647, 182895, 194951, 379941, 548685, 584853, 633235, 974755, 1139823, 1754559, 1899705, 2924265, 5699115, 8772795, 17350639, 52051917, 86753195, 156155751, 260259585, 780778755]

約数ペア:

[(1, 780778755), (3, 260259585), (5, 156155751), (9, 86753195), (15, 52051917), (45, 17350639), (89, 8772795), (137, 5699115), (267, 2924265), (411, 1899705), (445, 1754559), (685, 1139823), (801, 974755), (1233, 633235), (1335, 584853), (1423, 548685), (2055, 379941), (4005, 194951), (4269, 182895), (6165, 126647), (7115, 109737), (12193, 64035), (12807, 60965), (21345, 36579)]