28780455639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1614793}}^1$

素因数の和:1615266

約数の個数: 16

約数和(自身を含む): 41416236512

約数和(自身を除く): 12635780873

約数列:

[1, 3, 13, 39, 457, 1371, 5941, 17823, 1614793, 4844379, 20992309, 62976927, 737960401, 2213881203, 9593485213, 28780455639]

約数ペア:

[(1, 28780455639), (3, 9593485213), (13, 2213881203), (39, 737960401), (457, 62976927), (1371, 20992309), (5941, 4844379), (17823, 1614793)]