289619793

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 460824000

約数和(自身を除く): 171204207

約数列:

[1, 3, 9, 19, 27, 57, 81, 149, 171, 243, 421, 447, 513, 1263, 1341, 1539, 2831, 3789, 4023, 4617, 7999, 8493, 11367, 12069, 23997, 25479, 34101, 36207, 62729, 71991, 76437, 102303, 188187, 215973, 229311, 564561, 647919, 687933, 1191851, 1693683, 1943757, 3575553, 5081049, 10726659, 15243147, 32179977, 96539931, 289619793]

約数ペア:

[(1, 289619793), (3, 96539931), (9, 32179977), (19, 15243147), (27, 10726659), (57, 5081049), (81, 3575553), (149, 1943757), (171, 1693683), (243, 1191851), (421, 687933), (447, 647919), (513, 564561), (1263, 229311), (1341, 215973), (1539, 188187), (2831, 102303), (3789, 76437), (4023, 71991), (4617, 62729), (7999, 36207), (8493, 34101), (11367, 25479), (12069, 23997)]