16705731

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 27072000

約数和(自身を除く): 10366269

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 281, 399, 447, 843, 1043, 1967, 2831, 3129, 5339, 5901, 8493, 16017, 19817, 37373, 41869, 59451, 112119, 125607, 293083, 795511, 879249, 2386533, 5568577, 16705731]

約数ペア:

[(1, 16705731), (3, 5568577), (7, 2386533), (19, 879249), (21, 795511), (57, 293083), (133, 125607), (149, 112119), (281, 59451), (399, 41869), (447, 37373), (843, 19817), (1043, 16017), (1967, 8493), (2831, 5901), (3129, 5339)]