15920955

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2105

約数の個数: 40

約数和(自身を含む): 30056400

約数和(自身を除く): 14135445

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2069, 2565, 6207, 7695, 10345, 18621, 31035, 39311, 55863, 93105, 117933, 167589, 196555, 279315, 353799, 589665, 837945, 1061397, 1768995, 3184191, 5306985, 15920955]

約数ペア:

[(1, 15920955), (3, 5306985), (5, 3184191), (9, 1768995), (15, 1061397), (19, 837945), (27, 589665), (45, 353799), (57, 279315), (81, 196555), (95, 167589), (135, 117933), (171, 93105), (285, 55863), (405, 39311), (513, 31035), (855, 18621), (1539, 10345), (2069, 7695), (2565, 6207)]