289317831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1993}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 434149632

約数和(自身を除く): 144831801

約数列:

[1, 3, 11, 33, 53, 83, 159, 249, 583, 913, 1749, 1993, 2739, 4399, 5979, 13197, 21923, 48389, 65769, 105629, 145167, 165419, 316887, 496257, 1161919, 1819609, 3485757, 5458827, 8767207, 26301621, 96439277, 289317831]

約数ペア:

[(1, 289317831), (3, 96439277), (11, 26301621), (33, 8767207), (53, 5458827), (83, 3485757), (159, 1819609), (249, 1161919), (583, 496257), (913, 316887), (1749, 165419), (1993, 145167), (2739, 105629), (4399, 65769), (5979, 48389), (13197, 21923)]