18375777

素因数分解:

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

素因数の和:238

約数の個数: 36

約数和(自身を含む): 31639296

約数和(自身を除く): 13263519

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 97, 217, 279, 291, 651, 679, 873, 1953, 2037, 3007, 6111, 9021, 9409, 21049, 27063, 28227, 63147, 65863, 84681, 189441, 197589, 291679, 592767, 875037, 2041753, 2625111, 6125259, 18375777]

約数ペア:

[(1, 18375777), (3, 6125259), (7, 2625111), (9, 2041753), (21, 875037), (31, 592767), (63, 291679), (93, 197589), (97, 189441), (217, 84681), (279, 65863), (291, 63147), (651, 28227), (679, 27063), (873, 21049), (1953, 9409), (2037, 9021), (3007, 6111)]