199945245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{5641}}^1$

素因数の和:5805

約数の個数: 32

約数和(自身を含む): 341228160

約数和(自身を除く): 141282915

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 695, 2085, 2363, 5641, 7089, 11815, 16923, 28205, 35445, 84615, 95897, 287691, 479485, 784099, 1438455, 2352297, 3920495, 11761485, 13329683, 39989049, 66648415, 199945245]

約数ペア:

[(1, 199945245), (3, 66648415), (5, 39989049), (15, 13329683), (17, 11761485), (51, 3920495), (85, 2352297), (139, 1438455), (255, 784099), (417, 479485), (695, 287691), (2085, 95897), (2363, 84615), (5641, 35445), (7089, 28205), (11815, 16923)]