2017999725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28057}}^1$

素因数の和:28214

約数の個数: 48

約数和(自身を含む): 3841027968

約数和(自身を除く): 1823028243

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 137, 175, 411, 525, 685, 959, 2055, 2877, 3425, 4795, 10275, 14385, 23975, 28057, 71925, 84171, 140285, 196399, 420855, 589197, 701425, 981995, 2104275, 2945985, 3843809, 4909975, 11531427, 14729925, 19219045, 26906663, 57657135, 80719989, 96095225, 134533315, 288285675, 403599945, 672666575, 2017999725]

約数ペア:

[(1, 2017999725), (3, 672666575), (5, 403599945), (7, 288285675), (15, 134533315), (21, 96095225), (25, 80719989), (35, 57657135), (75, 26906663), (105, 19219045), (137, 14729925), (175, 11531427), (411, 4909975), (525, 3843809), (685, 2945985), (959, 2104275), (2055, 981995), (2877, 701425), (3425, 589197), (4795, 420855), (10275, 196399), (14385, 140285), (23975, 84171), (28057, 71925)]