42155469

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1783}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 63453312

約数和(自身を除く): 21297843

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 1783, 2627, 5349, 7881, 16047, 23643, 65971, 126593, 197913, 379779, 593739, 1139337, 4683941, 14051823, 42155469]

約数ペア:

[(1, 42155469), (3, 14051823), (9, 4683941), (37, 1139337), (71, 593739), (111, 379779), (213, 197913), (333, 126593), (639, 65971), (1783, 23643), (2627, 16047), (5349, 7881)]