245865123

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^3\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 422602752

約数和(自身を除く): 176737629

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 131, 217, 279, 393, 651, 917, 961, 1179, 1953, 2751, 2883, 4061, 6727, 8253, 8649, 12183, 20181, 28427, 29791, 36549, 60543, 85281, 89373, 125891, 208537, 255843, 268119, 377673, 625611, 881237, 1133019, 1876833, 2643711, 3902621, 7931133, 11707863, 27318347, 35123589, 81955041, 245865123]

約数ペア:

[(1, 245865123), (3, 81955041), (7, 35123589), (9, 27318347), (21, 11707863), (31, 7931133), (63, 3902621), (93, 2643711), (131, 1876833), (217, 1133019), (279, 881237), (393, 625611), (651, 377673), (917, 268119), (961, 255843), (1179, 208537), (1953, 125891), (2751, 89373), (2883, 85281), (4061, 60543), (6727, 36549), (8253, 29791), (8649, 28427), (12183, 20181)]