16860249

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 12492711

約数列:

[1, 3, 7, 9, 21, 31, 63, 89, 93, 97, 217, 267, 279, 291, 623, 651, 679, 801, 873, 1869, 1953, 2037, 2759, 3007, 5607, 6111, 8277, 8633, 9021, 19313, 21049, 24831, 25899, 27063, 57939, 60431, 63147, 77697, 173817, 181293, 189441, 267623, 543879, 802869, 1873361, 2408607, 5620083, 16860249]

約数ペア:

[(1, 16860249), (3, 5620083), (7, 2408607), (9, 1873361), (21, 802869), (31, 543879), (63, 267623), (89, 189441), (93, 181293), (97, 173817), (217, 77697), (267, 63147), (279, 60431), (291, 57939), (623, 27063), (651, 25899), (679, 24831), (801, 21049), (873, 19313), (1869, 9021), (1953, 8633), (2037, 8277), (2759, 6111), (3007, 5607)]