394774737

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{13399}}^1$

素因数の和:13493

約数の個数: 32

約数和(自身を含む): 638054400

約数和(自身を除く): 243279663

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 1281, 1403, 4209, 9821, 13399, 29463, 40197, 93793, 281379, 308177, 817339, 924531, 2157239, 2452017, 5721373, 6471717, 17164119, 18798797, 56396391, 131591579, 394774737]

約数ペア:

[(1, 394774737), (3, 131591579), (7, 56396391), (21, 18798797), (23, 17164119), (61, 6471717), (69, 5721373), (161, 2452017), (183, 2157239), (427, 924531), (483, 817339), (1281, 308177), (1403, 281379), (4209, 93793), (9821, 40197), (13399, 29463)]