42990087

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{66037}}^1$

素因数の和:66078

約数の個数: 16

約数和(自身を含む): 67622912

約数和(自身を除く): 24632825

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 66037, 198111, 462259, 1386777, 2047147, 6141441, 14330029, 42990087]

約数ペア:

[(1, 42990087), (3, 14330029), (7, 6141441), (21, 2047147), (31, 1386777), (93, 462259), (217, 198111), (651, 66037)]