488995599

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 707063040

約数和(自身を除く): 218067441

約数列:

[1, 3, 17, 51, 59, 163, 177, 489, 997, 1003, 2771, 2991, 3009, 8313, 9617, 16949, 28851, 50847, 58823, 162511, 163489, 176469, 487533, 490467, 999991, 2762687, 2999973, 8288061, 9588149, 28764447, 162998533, 488995599]

約数ペア:

[(1, 488995599), (3, 162998533), (17, 28764447), (51, 9588149), (59, 8288061), (163, 2999973), (177, 2762687), (489, 999991), (997, 490467), (1003, 487533), (2771, 176469), (2991, 163489), (3009, 162511), (8313, 58823), (9617, 50847), (16949, 28851)]