187980339

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 268141168

約数和(自身を除く): 80160829

約数列:

[1, 3, 17, 51, 157, 289, 471, 867, 1381, 2669, 4143, 8007, 23477, 45373, 70431, 136119, 216817, 399109, 650451, 1197327, 3685889, 11057667, 62660113, 187980339]

約数ペア:

[(1, 187980339), (3, 62660113), (17, 11057667), (51, 3685889), (157, 1197327), (289, 650451), (471, 399109), (867, 216817), (1381, 136119), (2669, 70431), (4143, 45373), (8007, 23477)]