25387131

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 43377152

約数和(自身を除く): 17990021

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 103, 121, 231, 291, 309, 363, 679, 721, 847, 1067, 1133, 2037, 2163, 2541, 3201, 3399, 7469, 7931, 9991, 11737, 12463, 22407, 23793, 29973, 35211, 37389, 69937, 82159, 87241, 109901, 209811, 246477, 261723, 329703, 769307, 1208911, 2307921, 3626733, 8462377, 25387131]

約数ペア:

[(1, 25387131), (3, 8462377), (7, 3626733), (11, 2307921), (21, 1208911), (33, 769307), (77, 329703), (97, 261723), (103, 246477), (121, 209811), (231, 109901), (291, 87241), (309, 82159), (363, 69937), (679, 37389), (721, 35211), (847, 29973), (1067, 23793), (1133, 22407), (2037, 12463), (2163, 11737), (2541, 9991), (3201, 7931), (3399, 7469)]