1974477981

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{102533}}^1$

素因数の和:102681

約数の個数: 24

約数和(自身を含む): 3085863264

約数和(自身を除く): 1111385283

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 2751, 6419, 19257, 102533, 307599, 717731, 2153193, 5024117, 13431823, 15072351, 40295469, 94022761, 282068283, 658159327, 1974477981]

約数ペア:

[(1, 1974477981), (3, 658159327), (7, 282068283), (21, 94022761), (49, 40295469), (131, 15072351), (147, 13431823), (393, 5024117), (917, 2153193), (2751, 717731), (6419, 307599), (19257, 102533)]