42406347

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 63763200

約数和(自身を除く): 21356853

約数列:

[1, 3, 17, 19, 51, 57, 107, 321, 323, 409, 969, 1227, 1819, 2033, 5457, 6099, 6953, 7771, 20859, 23313, 34561, 43763, 103683, 131289, 132107, 396321, 743971, 831497, 2231913, 2494491, 14135449, 42406347]

約数ペア:

[(1, 42406347), (3, 14135449), (17, 2494491), (19, 2231913), (51, 831497), (57, 743971), (107, 396321), (321, 132107), (323, 131289), (409, 103683), (969, 43763), (1227, 34561), (1819, 23313), (2033, 20859), (5457, 7771), (6099, 6953)]