205157085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{45439}}^1$

素因数の和:45497

約数の個数: 32

約数和(自身を含む): 383877120

約数和(自身を除く): 178720035

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 45439, 136317, 227195, 318073, 681585, 954219, 1590365, 1953877, 4771095, 5861631, 9769385, 13677139, 29308155, 41031417, 68385695, 205157085]

約数ペア:

[(1, 205157085), (3, 68385695), (5, 41031417), (7, 29308155), (15, 13677139), (21, 9769385), (35, 5861631), (43, 4771095), (105, 1953877), (129, 1590365), (215, 954219), (301, 681585), (645, 318073), (903, 227195), (1505, 136317), (4515, 45439)]