199904139

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{953}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 314591040

約数和(自身を除く): 114686901

約数列:

[1, 3, 9, 17, 27, 51, 153, 457, 459, 953, 1371, 2859, 4113, 7769, 8577, 12339, 16201, 23307, 25731, 48603, 69921, 145809, 209763, 435521, 437427, 1306563, 3919689, 7403857, 11759067, 22211571, 66634713, 199904139]

約数ペア:

[(1, 199904139), (3, 66634713), (9, 22211571), (17, 11759067), (27, 7403857), (51, 3919689), (153, 1306563), (457, 437427), (459, 435521), (953, 209763), (1371, 145809), (2859, 69921), (4113, 48603), (7769, 25731), (8577, 23307), (12339, 16201)]