168994413

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{37781}}^1$

素因数の和:37865

約数の個数: 24

約数和(自身を含む): 282911616

約数和(自身を除く): 113917203

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 37781, 113343, 264467, 340029, 793401, 2380203, 2682451, 8047353, 18777157, 24142059, 56331471, 168994413]

約数ペア:

[(1, 168994413), (3, 56331471), (7, 24142059), (9, 18777157), (21, 8047353), (63, 2682451), (71, 2380203), (213, 793401), (497, 340029), (639, 264467), (1491, 113343), (4473, 37781)]