2019855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 3460752

約数和(自身を除く): 1440897

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 4539, 7565, 7921, 22695, 23763, 39605, 118815, 134657, 403971, 673285, 2019855]

約数ペア:

[(1, 2019855), (3, 673285), (5, 403971), (15, 134657), (17, 118815), (51, 39605), (85, 23763), (89, 22695), (255, 7921), (267, 7565), (445, 4539), (1335, 1513)]