2011979979

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{337}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 3070878720

約数和(自身を除く): 1058898741

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 311, 337, 711, 933, 1011, 2133, 2799, 3033, 6399, 8397, 9099, 19197, 24569, 25191, 26623, 27297, 73707, 75573, 79869, 81891, 104807, 221121, 239607, 314421, 663363, 718821, 943263, 1990089, 2156463, 2829789, 5970267, 6469389, 8279753, 8489367, 24839259, 25468101, 74517777, 223553331, 670659993, 2011979979]

約数ペア:

[(1, 2011979979), (3, 670659993), (9, 223553331), (27, 74517777), (79, 25468101), (81, 24839259), (237, 8489367), (243, 8279753), (311, 6469389), (337, 5970267), (711, 2829789), (933, 2156463), (1011, 1990089), (2133, 943263), (2799, 718821), (3033, 663363), (6399, 314421), (8397, 239607), (9099, 221121), (19197, 104807), (24569, 81891), (25191, 79869), (26623, 75573), (27297, 73707)]