2007206205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{123787}}^1$

素因数の和:123865

約数の個数: 32

約数和(自身を含む): 3422490624

約数和(自身を除く): 1415284419

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215, 123787, 371361, 618935, 1856805, 2847101, 5817989, 8541303, 14235505, 17453967, 29089945, 42706515, 87269835, 133813747, 401441241, 669068735, 2007206205]

約数ペア:

[(1, 2007206205), (3, 669068735), (5, 401441241), (15, 133813747), (23, 87269835), (47, 42706515), (69, 29089945), (115, 17453967), (141, 14235505), (235, 8541303), (345, 5817989), (705, 2847101), (1081, 1856805), (3243, 618935), (5405, 371361), (16215, 123787)]