12521901

素因数分解:

$3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 19993600

約数和(自身を除く): 7471699

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 283, 301, 343, 849, 903, 1029, 1981, 2107, 5943, 6321, 12169, 13867, 14749, 36507, 41601, 44247, 85183, 97069, 255549, 291207, 596281, 1788843, 4173967, 12521901]

約数ペア:

[(1, 12521901), (3, 4173967), (7, 1788843), (21, 596281), (43, 291207), (49, 255549), (129, 97069), (147, 85183), (283, 44247), (301, 41601), (343, 36507), (849, 14749), (903, 13867), (1029, 12169), (1981, 6321), (2107, 5943)]