20154717

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 33024000

約数和(自身を除く): 12869283

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 237, 297, 711, 859, 869, 2133, 2577, 2607, 7731, 7821, 9449, 23193, 23463, 28347, 67861, 85041, 203583, 255123, 610749, 746471, 1832247, 2239413, 6718239, 20154717]

約数ペア:

[(1, 20154717), (3, 6718239), (9, 2239413), (11, 1832247), (27, 746471), (33, 610749), (79, 255123), (99, 203583), (237, 85041), (297, 67861), (711, 28347), (859, 23463), (869, 23193), (2133, 9449), (2577, 7821), (2607, 7731)]