2017641591

素因数分解:

$3^2\times 7^3\times {\mathrm{653593}}^1$

素因数の和:653620

約数の個数: 24

約数和(自身を含む): 3398688800

約数和(自身を除く): 1381047209

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 653593, 1960779, 4575151, 5882337, 13725453, 32026057, 41176359, 96078171, 224182399, 288234513, 672547197, 2017641591]

約数ペア:

[(1, 2017641591), (3, 672547197), (7, 288234513), (9, 224182399), (21, 96078171), (49, 41176359), (63, 32026057), (147, 13725453), (343, 5882337), (441, 4575151), (1029, 1960779), (3087, 653593)]