2021566455

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{342929}}^1$

素因数の和:343071

約数の個数: 24

約数和(自身を含む): 3530807280

約数和(自身を除く): 1509240825

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 342929, 1028787, 1714645, 3086361, 5143935, 15431805, 44923699, 134771097, 224618495, 404313291, 673855485, 2021566455]

約数ペア:

[(1, 2021566455), (3, 673855485), (5, 404313291), (9, 224618495), (15, 134771097), (45, 44923699), (131, 15431805), (393, 5143935), (655, 3086361), (1179, 1714645), (1965, 1028787), (5895, 342929)]