128839275

素因数分解:

$3^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1171}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 238337920

約数和(自身を除く): 109498645

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 163, 225, 489, 675, 815, 1171, 1467, 2445, 3513, 4075, 4401, 5855, 7335, 10539, 12225, 17565, 22005, 29275, 31617, 36675, 52695, 87825, 110025, 158085, 190873, 263475, 572619, 790425, 954365, 1717857, 2863095, 4771825, 5153571, 8589285, 14315475, 25767855, 42946425, 128839275]

約数ペア:

[(1, 128839275), (3, 42946425), (5, 25767855), (9, 14315475), (15, 8589285), (25, 5153571), (27, 4771825), (45, 2863095), (75, 1717857), (135, 954365), (163, 790425), (225, 572619), (489, 263475), (675, 190873), (815, 158085), (1171, 110025), (1467, 87825), (2445, 52695), (3513, 36675), (4075, 31617), (4401, 29275), (5855, 22005), (7335, 17565), (10539, 12225)]