42992187

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{55331}}^1$

素因数の和:55378

約数の個数: 16

約数和(自身を含む): 67283712

約数和(自身を除く): 24291525

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 55331, 165993, 387317, 1161951, 2047247, 6141741, 14330729, 42992187]

約数ペア:

[(1, 42992187), (3, 14330729), (7, 6141741), (21, 2047247), (37, 1161951), (111, 387317), (259, 165993), (777, 55331)]