87005997

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39139}}^1$

素因数の和:39177

約数の個数: 24

約数和(自身を含む): 142469600

約数和(自身を除く): 55463603

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 39139, 117417, 352251, 508807, 743641, 1526421, 2230923, 4579263, 6692769, 9667333, 29001999, 87005997]

約数ペア:

[(1, 87005997), (3, 29001999), (9, 9667333), (13, 6692769), (19, 4579263), (39, 2230923), (57, 1526421), (117, 743641), (171, 508807), (247, 352251), (741, 117417), (2223, 39139)]