257445789

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{19597}}^1$

素因数の和:19780

約数の個数: 16

約数和(自身を含む): 357467520

約数和(自身を除く): 100021731

約数列:

[1, 3, 29, 87, 151, 453, 4379, 13137, 19597, 58791, 568313, 1704939, 2959147, 8877441, 85815263, 257445789]

約数ペア:

[(1, 257445789), (3, 85815263), (29, 8877441), (87, 2959147), (151, 1704939), (453, 568313), (4379, 58791), (13137, 19597)]