12749643

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 20699712

約数和(自身を除く): 7950069

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 197, 423, 459, 591, 799, 1269, 1377, 1773, 2397, 3349, 3807, 5319, 7191, 9259, 10047, 15957, 21573, 27777, 30141, 64719, 83331, 90423, 157403, 249993, 271269, 472209, 749979, 1416627, 4249881, 12749643]

約数ペア:

[(1, 12749643), (3, 4249881), (9, 1416627), (17, 749979), (27, 472209), (47, 271269), (51, 249993), (81, 157403), (141, 90423), (153, 83331), (197, 64719), (423, 30141), (459, 27777), (591, 21573), (799, 15957), (1269, 10047), (1377, 9259), (1773, 7191), (2397, 5319), (3349, 3807)]