206804501589

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{138701879}}^1$

素因数の和:138701960

約数の個数: 16

約数和(自身を含む): 319569131520

約数和(自身を除く): 112764629931

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 138701879, 416105637, 970913153, 2912739459, 9847833409, 29543500227, 68934833863, 206804501589]

約数ペア:

[(1, 206804501589), (3, 68934833863), (7, 29543500227), (21, 9847833409), (71, 2912739459), (213, 970913153), (497, 416105637), (1491, 138701879)]