581525997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 887419008

約数和(自身を除く): 305893011

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 299, 397, 529, 897, 923, 1191, 1587, 1633, 2769, 4899, 5161, 6877, 9131, 15483, 20631, 21229, 27393, 28187, 37559, 63687, 84561, 112677, 118703, 210013, 356109, 366431, 488267, 630039, 648301, 1099293, 1464801, 1944903, 2730169, 8190507, 8427913, 14910923, 25283739, 44732769, 193841999, 581525997]

約数ペア:

[(1, 581525997), (3, 193841999), (13, 44732769), (23, 25283739), (39, 14910923), (69, 8427913), (71, 8190507), (213, 2730169), (299, 1944903), (397, 1464801), (529, 1099293), (897, 648301), (923, 630039), (1191, 488267), (1587, 366431), (1633, 356109), (2769, 210013), (4899, 118703), (5161, 112677), (6877, 84561), (9131, 63687), (15483, 37559), (20631, 28187), (21229, 27393)]