66973845

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{28439}}^1$

素因数の和:28604

約数の個数: 16

約数和(自身を含む): 107844480

約数和(自身を除く): 40870635

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 28439, 85317, 142195, 426585, 4464923, 13394769, 22324615, 66973845]

約数ペア:

[(1, 66973845), (3, 22324615), (5, 13394769), (15, 4464923), (157, 426585), (471, 142195), (785, 85317), (2355, 28439)]