16907121

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 31469568

約数和(自身を除く): 14562447

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 787, 1023, 1953, 2361, 2387, 3069, 5509, 7083, 7161, 8657, 16527, 21483, 24397, 25971, 49581, 60599, 73191, 77913, 170779, 181797, 219573, 268367, 512337, 545391, 805101, 1537011, 1878569, 2415303, 5635707, 16907121]

約数ペア:

[(1, 16907121), (3, 5635707), (7, 2415303), (9, 1878569), (11, 1537011), (21, 805101), (31, 545391), (33, 512337), (63, 268367), (77, 219573), (93, 181797), (99, 170779), (217, 77913), (231, 73191), (279, 60599), (341, 49581), (651, 25971), (693, 24397), (787, 21483), (1023, 16527), (1953, 8657), (2361, 7161), (2387, 7083), (3069, 5509)]