81154731

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{19037}}^1$

素因数の和:19083

約数の個数: 24

約数和(自身を含む): 130219920

約数和(自身を除く): 49065189

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 19037, 57111, 133259, 399777, 552073, 932813, 1656219, 2798439, 3864511, 11593533, 27051577, 81154731]

約数ペア:

[(1, 81154731), (3, 27051577), (7, 11593533), (21, 3864511), (29, 2798439), (49, 1656219), (87, 932813), (147, 552073), (203, 399777), (609, 133259), (1421, 57111), (4263, 19037)]