24967647

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 37503648

約数和(自身を除く): 12536001

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 953, 2859, 2911, 8577, 8733, 26199, 39073, 67663, 117219, 202989, 351657, 608967, 2774183, 8322549, 24967647]

約数ペア:

[(1, 24967647), (3, 8322549), (9, 2774183), (41, 608967), (71, 351657), (123, 202989), (213, 117219), (369, 67663), (639, 39073), (953, 26199), (2859, 8733), (2911, 8577)]