78752961

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{7669}}^1$

素因数の和:7845

約数の個数: 24

約数和(自身を含む): 130819520

約数和(自身を除く): 52066559

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 7669, 10269, 23007, 53683, 69021, 161049, 483147, 1250047, 3750141, 8750329, 11250423, 26250987, 78752961]

約数ペア:

[(1, 78752961), (3, 26250987), (7, 11250423), (9, 8750329), (21, 3750141), (63, 1250047), (163, 483147), (489, 161049), (1141, 69021), (1467, 53683), (3423, 23007), (7669, 10269)]