427840959

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{22073}}^1$

素因数の和:22167

約数の個数: 32

約数和(自身を含む): 712018944

約数和(自身を除く): 284177985

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 19383, 22073, 66219, 154511, 286949, 463533, 860847, 1567183, 2008643, 4701549, 6025929, 10970281, 20373379, 32910843, 61120137, 142613653, 427840959]

約数ペア:

[(1, 427840959), (3, 142613653), (7, 61120137), (13, 32910843), (21, 20373379), (39, 10970281), (71, 6025929), (91, 4701549), (213, 2008643), (273, 1567183), (497, 860847), (923, 463533), (1491, 286949), (2769, 154511), (6461, 66219), (19383, 22073)]