1998590979

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1235987}}^1$

素因数の和:1236015

約数の個数: 24

約数和(自身を含む): 3381663168

約数和(自身を除く): 1383072189

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 1235987, 3707961, 8651909, 13595857, 25955727, 40787571, 60563363, 95170999, 181690089, 285512997, 666196993, 1998590979]

約数ペア:

[(1, 1998590979), (3, 666196993), (7, 285512997), (11, 181690089), (21, 95170999), (33, 60563363), (49, 40787571), (77, 25955727), (147, 13595857), (231, 8651909), (539, 3707961), (1617, 1235987)]