1212689991

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{142787}}^1$

素因数の和:142958

約数の個数: 16

約数和(自身を含む): 1713456000

約数和(自身を除く): 500766009

約数列:

[1, 3, 19, 57, 149, 447, 2831, 8493, 142787, 428361, 2712953, 8138859, 21275263, 63825789, 404229997, 1212689991]

約数ペア:

[(1, 1212689991), (3, 404229997), (19, 63825789), (57, 21275263), (149, 8138859), (447, 2712953), (2831, 428361), (8493, 142787)]