2840955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 5189184

約数和(自身を除く): 2348229

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 857, 1105, 2571, 3315, 4285, 11141, 12855, 14569, 33423, 43707, 55705, 72845, 167115, 189397, 218535, 568191, 946985, 2840955]

約数ペア:

[(1, 2840955), (3, 946985), (5, 568191), (13, 218535), (15, 189397), (17, 167115), (39, 72845), (51, 55705), (65, 43707), (85, 33423), (195, 14569), (221, 12855), (255, 11141), (663, 4285), (857, 3315), (1105, 2571)]