81437481

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 129387720

約数和(自身を除く): 47950239

約数列:

[1, 3, 9, 27, 29, 37, 81, 87, 111, 261, 333, 783, 937, 999, 1073, 2349, 2811, 2997, 3219, 8433, 9657, 25299, 27173, 28971, 34669, 75897, 81519, 86913, 104007, 244557, 312021, 733671, 936063, 1005401, 2201013, 2808189, 3016203, 9048609, 27145827, 81437481]

約数ペア:

[(1, 81437481), (3, 27145827), (9, 9048609), (27, 3016203), (29, 2808189), (37, 2201013), (81, 1005401), (87, 936063), (111, 733671), (261, 312021), (333, 244557), (783, 104007), (937, 86913), (999, 81519), (1073, 75897), (2349, 34669), (2811, 28971), (2997, 27173), (3219, 25299), (8433, 9657)]