172969815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{2503}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 294230016

約数和(自身を除く): 121260201

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 271, 813, 1355, 2503, 4065, 4607, 7509, 12515, 13821, 23035, 37545, 42551, 69105, 127653, 212755, 638265, 678313, 2034939, 3391565, 10174695, 11531321, 34593963, 57656605, 172969815]

約数ペア:

[(1, 172969815), (3, 57656605), (5, 34593963), (15, 11531321), (17, 10174695), (51, 3391565), (85, 2034939), (255, 678313), (271, 638265), (813, 212755), (1355, 127653), (2503, 69105), (4065, 42551), (4607, 37545), (7509, 23035), (12515, 13821)]