17121951

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 31868928

約数和(自身を除く): 14746977

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 797, 1023, 1953, 2387, 2391, 3069, 5579, 7161, 7173, 8767, 16737, 21483, 24707, 26301, 50211, 61369, 74121, 78903, 172949, 184107, 222363, 271777, 518847, 552321, 815331, 1556541, 1902439, 2445993, 5707317, 17121951]

約数ペア:

[(1, 17121951), (3, 5707317), (7, 2445993), (9, 1902439), (11, 1556541), (21, 815331), (31, 552321), (33, 518847), (63, 271777), (77, 222363), (93, 184107), (99, 172949), (217, 78903), (231, 74121), (279, 61369), (341, 50211), (651, 26301), (693, 24707), (797, 21483), (1023, 16737), (1953, 8767), (2387, 7173), (2391, 7161), (3069, 5579)]