1490272887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{1487}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 2159004672

約数和(自身を除く): 668731785

約数列:

[1, 3, 17, 43, 51, 129, 457, 731, 1371, 1487, 2193, 4461, 7769, 19651, 23307, 25279, 58953, 63941, 75837, 191823, 334067, 679559, 1002201, 1086997, 2038677, 3260991, 11552503, 29221037, 34657509, 87663111, 496757629, 1490272887]

約数ペア:

[(1, 1490272887), (3, 496757629), (17, 87663111), (43, 34657509), (51, 29221037), (129, 11552503), (457, 3260991), (731, 2038677), (1371, 1086997), (1487, 1002201), (2193, 679559), (4461, 334067), (7769, 191823), (19651, 75837), (23307, 63941), (25279, 58953)]