509968221

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{1621}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 792262656

約数和(自身を除く): 282294435

約数列:

[1, 3, 7, 21, 71, 211, 213, 497, 633, 1477, 1491, 1621, 4431, 4863, 11347, 14981, 34041, 44943, 104867, 115091, 314601, 342031, 345273, 805637, 1026093, 2394217, 2416911, 7182651, 24284201, 72852603, 169989407, 509968221]

約数ペア:

[(1, 509968221), (3, 169989407), (7, 72852603), (21, 24284201), (71, 7182651), (211, 2416911), (213, 2394217), (497, 1026093), (633, 805637), (1477, 345273), (1491, 342031), (1621, 314601), (4431, 115091), (4863, 104867), (11347, 44943), (14981, 34041)]