1978045173

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{16906369}}^1$

素因数の和:16906388

約数の個数: 12

約数和(自身を含む): 3076959340

約数和(自身を除く): 1098914167

約数列:

[1, 3, 9, 13, 39, 117, 16906369, 50719107, 152157321, 219782797, 659348391, 1978045173]

約数ペア:

[(1, 1978045173), (3, 659348391), (9, 219782797), (13, 152157321), (39, 50719107), (117, 16906369)]