209997394515

素因数分解:

$3^2\times 5^1\times {\mathrm{16573}}^1\times {\mathrm{281579}}^1$

素因数の和:298163

約数の個数: 24

約数和(自身を含む): 364018739760

約数和(自身を除く): 154021345245

約数列:

[1, 3, 5, 9, 15, 45, 16573, 49719, 82865, 149157, 248595, 281579, 745785, 844737, 1407895, 2534211, 4223685, 12671055, 4666608767, 13999826301, 23333043835, 41999478903, 69999131505, 209997394515]

約数ペア:

[(1, 209997394515), (3, 69999131505), (5, 41999478903), (9, 23333043835), (15, 13999826301), (45, 4666608767), (16573, 12671055), (49719, 4223685), (82865, 2534211), (149157, 1407895), (248595, 844737), (281579, 745785)]