2153865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 4006656

約数和(自身を除く): 1852791

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 281, 365, 511, 843, 1095, 1405, 1533, 1967, 2555, 4215, 5901, 7665, 9835, 20513, 29505, 61539, 102565, 143591, 307695, 430773, 717955, 2153865]

約数ペア:

[(1, 2153865), (3, 717955), (5, 430773), (7, 307695), (15, 143591), (21, 102565), (35, 61539), (73, 29505), (105, 20513), (219, 9835), (281, 7665), (365, 5901), (511, 4215), (843, 2555), (1095, 1967), (1405, 1533)]