1421893977

素因数分解:

$3^1\times 7^1\times {\mathrm{3331}}^1\times {\mathrm{20327}}^1$

素因数の和:23668

約数の個数: 16

約数和(自身を含む): 2167452672

約数和(自身を除く): 745558695

約数列:

[1, 3, 7, 21, 3331, 9993, 20327, 23317, 60981, 69951, 142289, 426867, 67709237, 203127711, 473964659, 1421893977]

約数ペア:

[(1, 1421893977), (3, 473964659), (7, 203127711), (21, 67709237), (3331, 426867), (9993, 142289), (20327, 69951), (23317, 60981)]