12745131

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 20428800

約数和(自身を除く): 7683669

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 349, 777, 987, 1047, 1739, 2443, 5217, 7329, 12173, 12913, 16403, 36519, 38739, 49209, 90391, 114821, 271173, 344463, 606911, 1820733, 4248377, 12745131]

約数ペア:

[(1, 12745131), (3, 4248377), (7, 1820733), (21, 606911), (37, 344463), (47, 271173), (111, 114821), (141, 90391), (259, 49209), (329, 38739), (349, 36519), (777, 16403), (987, 12913), (1047, 12173), (1739, 7329), (2443, 5217)]