30978123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19973}}^1$

素因数の和:20034

約数の個数: 16

約数和(自身を含む): 46020096

約数和(自身を除く): 15041973

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 19973, 59919, 219703, 659109, 938731, 2816193, 10326041, 30978123]

約数ペア:

[(1, 30978123), (3, 10326041), (11, 2816193), (33, 938731), (47, 659109), (141, 219703), (517, 59919), (1551, 19973)]