75814815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{17489}}^1$

素因数の和:17531

約数の個数: 24

約数和(自身を含む): 128866320

約数和(自身を除く): 53051505

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 17489, 52467, 87445, 262335, 297313, 891939, 1486565, 4459695, 5054321, 15162963, 25271605, 75814815]

約数ペア:

[(1, 75814815), (3, 25271605), (5, 15162963), (15, 5054321), (17, 4459695), (51, 1486565), (85, 891939), (255, 297313), (289, 262335), (867, 87445), (1445, 52467), (4335, 17489)]