40217319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{491}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 61401600

約数和(自身を除く): 21184281

約数列:

[1, 3, 9, 19, 57, 171, 479, 491, 1437, 1473, 4311, 4419, 9101, 9329, 27303, 27987, 81909, 83961, 235189, 705567, 2116701, 4468591, 13405773, 40217319]

約数ペア:

[(1, 40217319), (3, 13405773), (9, 4468591), (19, 2116701), (57, 705567), (171, 235189), (479, 83961), (491, 81909), (1437, 27987), (1473, 27303), (4311, 9329), (4419, 9101)]