7288785

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{857}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 14990976

約数和(自身を除く): 7702191

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 857, 945, 1215, 1701, 2571, 2835, 4285, 5999, 7713, 8505, 12855, 17997, 23139, 29995, 38565, 53991, 69417, 89985, 115695, 161973, 208251, 269955, 347085, 485919, 809865, 1041255, 1457757, 2429595, 7288785]

約数ペア:

[(1, 7288785), (3, 2429595), (5, 1457757), (7, 1041255), (9, 809865), (15, 485919), (21, 347085), (27, 269955), (35, 208251), (45, 161973), (63, 115695), (81, 89985), (105, 69417), (135, 53991), (189, 38565), (243, 29995), (315, 23139), (405, 17997), (567, 12855), (857, 8505), (945, 7713), (1215, 5999), (1701, 4285), (2571, 2835)]