240492063

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31723}}^1$

素因数の和:31771

約数の個数: 24

約数和(自身を含む): 386779008

約数和(自身を除く): 146286945

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 31723, 95169, 222061, 602737, 666183, 1808211, 4219159, 11452003, 12657477, 34356009, 80164021, 240492063]

約数ペア:

[(1, 240492063), (3, 80164021), (7, 34356009), (19, 12657477), (21, 11452003), (57, 4219159), (133, 1808211), (361, 666183), (399, 602737), (1083, 222061), (2527, 95169), (7581, 31723)]