2021855775

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{193943}}^1$

素因数の和:194095

約数の個数: 24

約数和(自身を含む): 3366867840

約数和(自身を除く): 1345012065

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 3475, 10425, 193943, 581829, 969715, 2909145, 4848575, 14545725, 26958077, 80874231, 134790385, 404371155, 673951925, 2021855775]

約数ペア:

[(1, 2021855775), (3, 673951925), (5, 404371155), (15, 134790385), (25, 80874231), (75, 26958077), (139, 14545725), (417, 4848575), (695, 2909145), (2085, 969715), (3475, 581829), (10425, 193943)]