2130840285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{285827}}^1$

素因数の和:285913

約数の個数: 32

約数和(自身を含む): 3951286272

約数和(自身を除く): 1820445987

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 285827, 857481, 1429135, 2000789, 4287405, 6002367, 10003945, 20293717, 30011835, 60881151, 101468585, 142056019, 304405755, 426168057, 710280095, 2130840285]

約数ペア:

[(1, 2130840285), (3, 710280095), (5, 426168057), (7, 304405755), (15, 142056019), (21, 101468585), (35, 60881151), (71, 30011835), (105, 20293717), (213, 10003945), (355, 6002367), (497, 4287405), (1065, 2000789), (1491, 1429135), (2485, 857481), (7455, 285827)]