30781815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120713}}^1$

素因数の和:120738

約数の個数: 16

約数和(自身を含む): 52148448

約数和(自身を除く): 21366633

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 120713, 362139, 603565, 1810695, 2052121, 6156363, 10260605, 30781815]

約数ペア:

[(1, 30781815), (3, 10260605), (5, 6156363), (15, 2052121), (17, 1810695), (51, 603565), (85, 362139), (255, 120713)]