201242565

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{17401}}^1$

素因数の和:17669

約数の個数: 24

約数和(自身を含む): 350197848

約数和(自身を除く): 148955283

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 2313, 3855, 11565, 17401, 52203, 87005, 156609, 261015, 783045, 4472057, 13416171, 22360285, 40248513, 67080855, 201242565]

約数ペア:

[(1, 201242565), (3, 67080855), (5, 40248513), (9, 22360285), (15, 13416171), (45, 4472057), (257, 783045), (771, 261015), (1285, 156609), (2313, 87005), (3855, 52203), (11565, 17401)]