68540013

素因数分解:

$3^4\times {\mathrm{619}}^1\times {\mathrm{1367}}^1$

素因数の和:1998

約数の個数: 20

約数和(自身を含む): 102627360

約数和(自身を除く): 34087347

約数列:

[1, 3, 9, 27, 81, 619, 1367, 1857, 4101, 5571, 12303, 16713, 36909, 50139, 110727, 846173, 2538519, 7615557, 22846671, 68540013]

約数ペア:

[(1, 68540013), (3, 22846671), (9, 7615557), (27, 2538519), (81, 846173), (619, 110727), (1367, 50139), (1857, 36909), (4101, 16713), (5571, 12303)]