388638783

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2789}}^1$

素因数の和:3208

約数の個数: 32

約数和(自身を含む): 621835200

約数和(自身を除く): 233196417

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 397, 1191, 2789, 3573, 5161, 8367, 10719, 15483, 25101, 36257, 46449, 75303, 108771, 139347, 326313, 978939, 1107233, 3321699, 9965097, 14394029, 29895291, 43182087, 129546261, 388638783]

約数ペア:

[(1, 388638783), (3, 129546261), (9, 43182087), (13, 29895291), (27, 14394029), (39, 9965097), (117, 3321699), (351, 1107233), (397, 978939), (1191, 326313), (2789, 139347), (3573, 108771), (5161, 75303), (8367, 46449), (10719, 36257), (15483, 25101)]