16681845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65419}}^1$

素因数の和:65444

約数の個数: 16

約数和(自身を含む): 28261440

約数和(自身を除く): 11579595

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 65419, 196257, 327095, 981285, 1112123, 3336369, 5560615, 16681845]

約数ペア:

[(1, 16681845), (3, 5560615), (5, 3336369), (15, 1112123), (17, 981285), (51, 327095), (85, 196257), (255, 65419)]