720284319

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{156007}}^1$

素因数の和:156041

約数の個数: 24

約数和(自身を含む): 1135738240

約数和(自身を除く): 415453921

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 156007, 468021, 1404063, 2964133, 4212189, 8892399, 12636567, 26677197, 37909701, 80031591, 240094773, 720284319]

約数ペア:

[(1, 720284319), (3, 240094773), (9, 80031591), (19, 37909701), (27, 26677197), (57, 12636567), (81, 8892399), (171, 4212189), (243, 2964133), (513, 1404063), (1539, 468021), (4617, 156007)]