207970713

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{405401}}^1$

素因数の和:405429

約数の個数: 16

約数和(自身を含む): 324321600

約数和(自身を除く): 116350887

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 405401, 1216203, 3648609, 7702619, 10945827, 23107857, 69323571, 207970713]

約数ペア:

[(1, 207970713), (3, 69323571), (9, 23107857), (19, 10945827), (27, 7702619), (57, 3648609), (171, 1216203), (513, 405401)]