165808839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2789}}^1$

素因数の和:2967

約数の個数: 32

約数和(自身を含む): 267840000

約数和(自身を除く): 102031161

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 1043, 2789, 2831, 3129, 8367, 8493, 19523, 19817, 52991, 58569, 59451, 158973, 370937, 415561, 1112811, 1246683, 2908927, 7895659, 8726781, 23686977, 55269613, 165808839]

約数ペア:

[(1, 165808839), (3, 55269613), (7, 23686977), (19, 8726781), (21, 7895659), (57, 2908927), (133, 1246683), (149, 1112811), (399, 415561), (447, 370937), (1043, 158973), (2789, 59451), (2831, 58569), (3129, 52991), (8367, 19817), (8493, 19523)]