13309975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 19859840

約数和(自身を除く): 6549865

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 4003, 20015, 28021, 76057, 100075, 140105, 380285, 532399, 700525, 1901425, 2661995, 13309975]

約数ペア:

[(1, 13309975), (5, 2661995), (7, 1901425), (19, 700525), (25, 532399), (35, 380285), (95, 140105), (133, 100075), (175, 76057), (475, 28021), (665, 20015), (3325, 4003)]