17989713

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 54

約数和(自身を含む): 32184594

約数和(自身を除く): 14194881

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 113, 133, 147, 171, 339, 361, 399, 441, 791, 931, 1017, 1083, 1197, 2147, 2373, 2527, 2793, 3249, 5537, 6441, 7119, 7581, 8379, 15029, 16611, 17689, 19323, 22743, 40793, 45087, 49833, 53067, 105203, 122379, 135261, 159201, 285551, 315609, 367137, 856653, 946827, 1998857, 2569959, 5996571, 17989713]

約数ペア:

[(1, 17989713), (3, 5996571), (7, 2569959), (9, 1998857), (19, 946827), (21, 856653), (49, 367137), (57, 315609), (63, 285551), (113, 159201), (133, 135261), (147, 122379), (171, 105203), (339, 53067), (361, 49833), (399, 45087), (441, 40793), (791, 22743), (931, 19323), (1017, 17689), (1083, 16611), (1197, 15029), (2147, 8379), (2373, 7581), (2527, 7119), (2793, 6441), (3249, 5537)]