1689421779

素因数分解:

$3^6\times {\mathrm{61}}^1\times {\mathrm{37991}}^1$

素因数の和:38070

約数の個数: 28

約数和(自身を含む): 2574565872

約数和(自身を除く): 885144093

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 729, 1647, 4941, 14823, 37991, 44469, 113973, 341919, 1025757, 2317451, 3077271, 6952353, 9231813, 20857059, 27695439, 62571177, 187713531, 563140593, 1689421779]

約数ペア:

[(1, 1689421779), (3, 563140593), (9, 187713531), (27, 62571177), (61, 27695439), (81, 20857059), (183, 9231813), (243, 6952353), (549, 3077271), (729, 2317451), (1647, 1025757), (4941, 341919), (14823, 113973), (37991, 44469)]