72513891

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 117093600

約数和(自身を除く): 44579709

約数列:

[1, 3, 9, 17, 29, 51, 59, 87, 153, 177, 261, 277, 493, 531, 831, 1003, 1479, 1711, 2493, 3009, 4437, 4709, 5133, 8033, 9027, 14127, 15399, 16343, 24099, 29087, 42381, 49029, 72297, 87261, 136561, 147087, 261783, 277831, 409683, 473947, 833493, 1229049, 1421841, 2500479, 4265523, 8057099, 24171297, 72513891]

約数ペア:

[(1, 72513891), (3, 24171297), (9, 8057099), (17, 4265523), (29, 2500479), (51, 1421841), (59, 1229049), (87, 833493), (153, 473947), (177, 409683), (261, 277831), (277, 261783), (493, 147087), (531, 136561), (831, 87261), (1003, 72297), (1479, 49029), (1711, 42381), (2493, 29087), (3009, 24099), (4437, 16343), (4709, 15399), (5133, 14127), (8033, 9027)]