78200409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{195991}}^1$

素因数の和:196020

約数の個数: 16

約数和(自身を含む): 125434880

約数和(自身を除く): 47234471

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 195991, 587973, 1371937, 3723829, 4115811, 11171487, 26066803, 78200409]

約数ペア:

[(1, 78200409), (3, 26066803), (7, 11171487), (19, 4115811), (21, 3723829), (57, 1371937), (133, 587973), (399, 195991)]