6988665

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 11943936

約数和(自身を除く): 4955271

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 431, 705, 1081, 1293, 2155, 3243, 5405, 6465, 9913, 16215, 20257, 29739, 49565, 60771, 101285, 148695, 303855, 465911, 1397733, 2329555, 6988665]

約数ペア:

[(1, 6988665), (3, 2329555), (5, 1397733), (15, 465911), (23, 303855), (47, 148695), (69, 101285), (115, 60771), (141, 49565), (235, 29739), (345, 20257), (431, 16215), (705, 9913), (1081, 6465), (1293, 5405), (2155, 3243)]