201205809

素因数分解:

$3^3\times 7^2\times {\mathrm{152083}}^1$

素因数の和:152106

約数の個数: 24

約数和(自身を含む): 346751520

約数和(自身を除く): 145545711

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 152083, 456249, 1064581, 1368747, 3193743, 4106241, 7452067, 9581229, 22356201, 28743687, 67068603, 201205809]

約数ペア:

[(1, 201205809), (3, 67068603), (7, 28743687), (9, 22356201), (21, 9581229), (27, 7452067), (49, 4106241), (63, 3193743), (147, 1368747), (189, 1064581), (441, 456249), (1323, 152083)]