81977607

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1423}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 122401344

約数和(自身を除く): 40423737

約数列:

[1, 3, 9, 37, 111, 173, 333, 519, 1423, 1557, 4269, 6401, 12807, 19203, 52651, 57609, 157953, 246179, 473859, 738537, 2215611, 9108623, 27325869, 81977607]

約数ペア:

[(1, 81977607), (3, 27325869), (9, 9108623), (37, 2215611), (111, 738537), (173, 473859), (333, 246179), (519, 157953), (1423, 57609), (1557, 52651), (4269, 19203), (6401, 12807)]