280537071

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{7001}}^1$

素因数の和:7079

約数の個数: 24

約数和(自身を含む): 405499824

約数和(自身を除く): 124962753

約数列:

[1, 3, 19, 37, 57, 111, 361, 703, 1083, 2109, 7001, 13357, 21003, 40071, 133019, 259037, 399057, 777111, 2527361, 4921703, 7582083, 14765109, 93512357, 280537071]

約数ペア:

[(1, 280537071), (3, 93512357), (19, 14765109), (37, 7582083), (57, 4921703), (111, 2527361), (361, 777111), (703, 399057), (1083, 259037), (2109, 133019), (7001, 40071), (13357, 21003)]