391037101

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{47221}}^1$

素因数の和:47261

約数の個数: 18

約数和(自身を含む): 492572682

約数和(自身を除く): 101535581

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 47221, 330547, 613873, 2313829, 4297111, 7980349, 30079777, 55862443, 391037101]

約数ペア:

[(1, 391037101), (7, 55862443), (13, 30079777), (49, 7980349), (91, 4297111), (169, 2313829), (637, 613873), (1183, 330547), (8281, 47221)]