1991569161603

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{373}}^1\times {\mathrm{115099}}^1$

素因数の和:115576

約数の個数: 48

約数和(自身を含む): 3109055417600

約数和(自身を除く): 1117486255997

約数列:

[1, 3, 7, 21, 47, 141, 329, 373, 987, 1119, 2209, 2611, 6627, 7833, 15463, 17531, 46389, 52593, 115099, 122717, 345297, 368151, 805693, 823957, 2417079, 2471871, 5409653, 5767699, 16228959, 17303097, 37867571, 42931927, 113602713, 128795781, 254253691, 300523489, 762761073, 901570467, 1779775837, 2017800569, 5339327511, 6053401707, 14124603983, 42373811949, 94836626743, 284509880229, 663856387201, 1991569161603]

約数ペア:

[(1, 1991569161603), (3, 663856387201), (7, 284509880229), (21, 94836626743), (47, 42373811949), (141, 14124603983), (329, 6053401707), (373, 5339327511), (987, 2017800569), (1119, 1779775837), (2209, 901570467), (2611, 762761073), (6627, 300523489), (7833, 254253691), (15463, 128795781), (17531, 113602713), (46389, 42931927), (52593, 37867571), (115099, 17303097), (122717, 16228959), (345297, 5767699), (368151, 5409653), (805693, 2471871), (823957, 2417079)]