25979961

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 42640128

約数和(自身を除く): 16660167

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1193, 1281, 3111, 3579, 7259, 8351, 20281, 21777, 25053, 60843, 72773, 141967, 218319, 425901, 509411, 1237141, 1528233, 3711423, 8659987, 25979961]

約数ペア:

[(1, 25979961), (3, 8659987), (7, 3711423), (17, 1528233), (21, 1237141), (51, 509411), (61, 425901), (119, 218319), (183, 141967), (357, 72773), (427, 60843), (1037, 25053), (1193, 21777), (1281, 20281), (3111, 8351), (3579, 7259)]