2898855

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 5227200

約数和(自身を除く): 2328345

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 197, 327, 545, 591, 981, 985, 1635, 1773, 2943, 2955, 4905, 5319, 8865, 14715, 21473, 26595, 64419, 107365, 193257, 322095, 579771, 966285, 2898855]

約数ペア:

[(1, 2898855), (3, 966285), (5, 579771), (9, 322095), (15, 193257), (27, 107365), (45, 64419), (109, 26595), (135, 21473), (197, 14715), (327, 8865), (545, 5319), (591, 4905), (981, 2955), (985, 2943), (1635, 1773)]