204927981

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{3121}}^1$

素因数の和:3676

約数の個数: 16

約数和(自身を含む): 280230720

約数和(自身を除く): 75302739

約数列:

[1, 3, 43, 129, 509, 1527, 3121, 9363, 21887, 65661, 134203, 402609, 1588589, 4765767, 68309327, 204927981]

約数ペア:

[(1, 204927981), (3, 68309327), (43, 4765767), (129, 1588589), (509, 402609), (1527, 134203), (3121, 65661), (9363, 21887)]