123945987

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{17971}}^1$

素因数の和:18015

約数の個数: 24

約数和(自身を含む): 191222080

約数和(自身を除く): 67276093

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 2299, 6897, 17971, 53913, 197681, 341449, 593043, 1024347, 2174491, 3755939, 6523473, 11267817, 41315329, 123945987]

約数ペア:

[(1, 123945987), (3, 41315329), (11, 11267817), (19, 6523473), (33, 3755939), (57, 2174491), (121, 1024347), (209, 593043), (363, 341449), (627, 197681), (2299, 53913), (6897, 17971)]