2021621775

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{155809}}^1$

素因数の和:155995

約数の個数: 24

約数和(自身を含む): 3361756560

約数和(自身を除く): 1340134785

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2595, 4325, 12975, 155809, 467427, 779045, 2337135, 3895225, 11685675, 26954957, 80864871, 134774785, 404324355, 673873925, 2021621775]

約数ペア:

[(1, 2021621775), (3, 673873925), (5, 404324355), (15, 134774785), (25, 80864871), (75, 26954957), (173, 11685675), (519, 3895225), (865, 2337135), (2595, 779045), (4325, 467427), (12975, 155809)]