147945721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{51929}}^1$

素因数の和:51984

約数の個数: 16

約数和(自身を含む): 189440640

約数和(自身を除く): 41494919

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 51929, 363503, 571219, 1921373, 3998533, 13449611, 21135103, 147945721]

約数ペア:

[(1, 147945721), (7, 21135103), (11, 13449611), (37, 3998533), (77, 1921373), (259, 571219), (407, 363503), (2849, 51929)]