199863651

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 294658560

約数和(自身を除く): 94794909

約数列:

[1, 3, 13, 39, 71, 89, 213, 267, 811, 923, 1157, 2433, 2769, 3471, 6319, 10543, 18957, 31629, 57581, 72179, 82147, 172743, 216537, 246441, 748553, 938327, 2245659, 2814981, 5124709, 15374127, 66621217, 199863651]

約数ペア:

[(1, 199863651), (3, 66621217), (13, 15374127), (39, 5124709), (71, 2814981), (89, 2245659), (213, 938327), (267, 748553), (811, 246441), (923, 216537), (1157, 172743), (2433, 82147), (2769, 72179), (3471, 57581), (6319, 31629), (10543, 18957)]