30781729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4751}}^1$

素因数の和:4812

約数の個数: 16

約数和(自身を含む): 36495360

約数和(自身を除く): 5713631

約数列:

[1, 11, 19, 31, 209, 341, 589, 4751, 6479, 52261, 90269, 147281, 992959, 1620091, 2798339, 30781729]

約数ペア:

[(1, 30781729), (11, 2798339), (19, 1620091), (31, 992959), (209, 147281), (341, 90269), (589, 52261), (4751, 6479)]