9839975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 12930720

約数和(自身を除く): 3090745

約数列:

[1, 5, 23, 25, 109, 115, 157, 545, 575, 785, 2507, 2725, 3611, 3925, 12535, 17113, 18055, 62675, 85565, 90275, 393599, 427825, 1967995, 9839975]

約数ペア:

[(1, 9839975), (5, 1967995), (23, 427825), (25, 393599), (109, 90275), (115, 85565), (157, 62675), (545, 18055), (575, 17113), (785, 12535), (2507, 3925), (2725, 3611)]