201321185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 272982528

約数和(自身を除く): 71661343

約数列:

[1, 5, 13, 23, 65, 115, 299, 311, 433, 1495, 1555, 2165, 4043, 5629, 7153, 9959, 20215, 28145, 35765, 49795, 92989, 129467, 134663, 464945, 647335, 673315, 1750619, 3097249, 8753095, 15486245, 40264237, 201321185]

約数ペア:

[(1, 201321185), (5, 40264237), (13, 15486245), (23, 8753095), (65, 3097249), (115, 1750619), (299, 673315), (311, 647335), (433, 464945), (1495, 134663), (1555, 129467), (2165, 92989), (4043, 49795), (5629, 35765), (7153, 28145), (9959, 20215)]