128907765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 270606336

約数和(自身を除く): 141698571

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 43, 45, 63, 93, 105, 129, 155, 215, 217, 279, 301, 307, 315, 387, 465, 645, 651, 903, 921, 1085, 1333, 1395, 1505, 1535, 1935, 1953, 2149, 2709, 2763, 3255, 3999, 4515, 4605, 6447, 6665, 9331, 9517, 9765, 10745, 11997, 13201, 13545, 13815, 19341, 19995, 27993, 28551, 32235, 39603, 46655, 47585, 59985, 66005, 66619, 83979, 85653, 92407, 96705, 118809, 139965, 142755, 198015, 199857, 277221, 333095, 409231, 419895, 428265, 462035, 594045, 599571, 831663, 999285, 1227693, 1386105, 2046155, 2864617, 2997855, 3683079, 4158315, 6138465, 8593851, 14323085, 18415395, 25781553, 42969255, 128907765]

約数ペア:

[(1, 128907765), (3, 42969255), (5, 25781553), (7, 18415395), (9, 14323085), (15, 8593851), (21, 6138465), (31, 4158315), (35, 3683079), (43, 2997855), (45, 2864617), (63, 2046155), (93, 1386105), (105, 1227693), (129, 999285), (155, 831663), (215, 599571), (217, 594045), (279, 462035), (301, 428265), (307, 419895), (315, 409231), (387, 333095), (465, 277221), (645, 199857), (651, 198015), (903, 142755), (921, 139965), (1085, 118809), (1333, 96705), (1395, 92407), (1505, 85653), (1535, 83979), (1935, 66619), (1953, 66005), (2149, 59985), (2709, 47585), (2763, 46655), (3255, 39603), (3999, 32235), (4515, 28551), (4605, 27993), (6447, 19995), (6665, 19341), (9331, 13815), (9517, 13545), (9765, 13201), (10745, 11997)]