2542455

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 4651200

約数和(自身を除く): 2108745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 509, 555, 999, 1527, 1665, 2545, 4581, 4995, 7635, 13743, 18833, 22905, 56499, 68715, 94165, 169497, 282495, 508491, 847485, 2542455]

約数ペア:

[(1, 2542455), (3, 847485), (5, 508491), (9, 282495), (15, 169497), (27, 94165), (37, 68715), (45, 56499), (111, 22905), (135, 18833), (185, 13743), (333, 7635), (509, 4995), (555, 4581), (999, 2545), (1527, 1665)]