201894819

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{135409}}^1$

素因数の和:135490

約数の個数: 16

約数和(自身を含む): 311984640

約数和(自身を除く): 110089821

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 135409, 406227, 947863, 2843589, 9614039, 28842117, 67298273, 201894819]

約数ペア:

[(1, 201894819), (3, 67298273), (7, 28842117), (21, 9614039), (71, 2843589), (213, 947863), (497, 406227), (1491, 135409)]