64986087

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 94431744

約数和(自身を除く): 29445657

約数列:

[1, 3, 17, 51, 71, 131, 137, 213, 393, 411, 1207, 2227, 2329, 3621, 6681, 6987, 9301, 9727, 17947, 27903, 29181, 53841, 158117, 165359, 305099, 474351, 496077, 915297, 1274237, 3822711, 21662029, 64986087]

約数ペア:

[(1, 64986087), (3, 21662029), (17, 3822711), (51, 1274237), (71, 915297), (131, 496077), (137, 474351), (213, 305099), (393, 165359), (411, 158117), (1207, 53841), (2227, 29181), (2329, 27903), (3621, 17947), (6681, 9727), (6987, 9301)]