20126207997

素因数分解:

$3^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{165611}}^1$

素因数の和:166270

約数の個数: 32

約数和(自身を含む): 34129320960

約数和(自身を除く): 14003112963

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 643, 1929, 4501, 5787, 13503, 17361, 40509, 121527, 165611, 496833, 1159277, 1490499, 3477831, 4471497, 10433493, 31300479, 106487873, 319463619, 745415111, 958390857, 2236245333, 2875172571, 6708735999, 20126207997]

約数ペア:

[(1, 20126207997), (3, 6708735999), (7, 2875172571), (9, 2236245333), (21, 958390857), (27, 745415111), (63, 319463619), (189, 106487873), (643, 31300479), (1929, 10433493), (4501, 4471497), (5787, 3477831), (13503, 1490499), (17361, 1159277), (40509, 496833), (121527, 165611)]