20153415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4649}}^1$

素因数の和:4691

約数の個数: 24

約数和(自身を含む): 34261200

約数和(自身を除く): 14107785

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4649, 13947, 23245, 69735, 79033, 237099, 395165, 1185495, 1343561, 4030683, 6717805, 20153415]

約数ペア:

[(1, 20153415), (3, 6717805), (5, 4030683), (15, 1343561), (17, 1185495), (51, 395165), (85, 237099), (255, 79033), (289, 69735), (867, 23245), (1445, 13947), (4335, 4649)]