207978849

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{19973}}^1$

素因数の和:20081

約数の個数: 24

約数和(自身を含む): 327174120

約数和(自身を除く): 119195271

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 3471, 10413, 19973, 59919, 179757, 259649, 778947, 1777597, 2336841, 5332791, 15998373, 23108761, 69326283, 207978849]

約数ペア:

[(1, 207978849), (3, 69326283), (9, 23108761), (13, 15998373), (39, 5332791), (89, 2336841), (117, 1777597), (267, 778947), (801, 259649), (1157, 179757), (3471, 59919), (10413, 19973)]