2783455353

素因数分解:

$3^3\times 7^1\times {\mathrm{719}}^1\times {\mathrm{20483}}^1$

素因数の和:21218

約数の個数: 32

約数和(自身を含む): 4719513600

約数和(自身を除く): 1936058247

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 719, 2157, 5033, 6471, 15099, 19413, 20483, 45297, 61449, 135891, 143381, 184347, 430143, 553041, 1290429, 3871287, 14727277, 44181831, 103090939, 132545493, 309272817, 397636479, 927818451, 2783455353]

約数ペア:

[(1, 2783455353), (3, 927818451), (7, 397636479), (9, 309272817), (21, 132545493), (27, 103090939), (63, 44181831), (189, 14727277), (719, 3871287), (2157, 1290429), (5033, 553041), (6471, 430143), (15099, 184347), (19413, 143381), (20483, 135891), (45297, 61449)]