64643859

素因数分解:

$3^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1621}}^1$

素因数の和:1848

約数の個数: 32

約数和(自身を含む): 110036480

約数和(自身を除く): 45392621

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 211, 633, 1477, 1621, 1899, 4431, 4863, 5697, 11347, 13293, 14589, 34041, 39879, 43767, 102123, 306369, 342031, 1026093, 2394217, 3078279, 7182651, 9234837, 21547953, 64643859]

約数ペア:

[(1, 64643859), (3, 21547953), (7, 9234837), (9, 7182651), (21, 3078279), (27, 2394217), (63, 1026093), (189, 342031), (211, 306369), (633, 102123), (1477, 43767), (1621, 39879), (1899, 34041), (4431, 14589), (4863, 13293), (5697, 11347)]