289703055

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{11503}}^1$

素因数の和:11607

約数の個数: 32

約数和(自身を含む): 490346496

約数和(自身を除く): 200643441

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 1095, 1679, 5037, 8395, 11503, 25185, 34509, 57515, 172545, 264569, 793707, 839719, 1322845, 2519157, 3968535, 4198595, 12595785, 19313537, 57940611, 96567685, 289703055]

約数ペア:

[(1, 289703055), (3, 96567685), (5, 57940611), (15, 19313537), (23, 12595785), (69, 4198595), (73, 3968535), (115, 2519157), (219, 1322845), (345, 839719), (365, 793707), (1095, 264569), (1679, 172545), (5037, 57515), (8395, 34509), (11503, 25185)]