12628917

素因数分解:

$3^2\times 7^3\times {\mathrm{4091}}^1$

素因数の和:4118

約数の個数: 24

約数和(自身を含む): 21278400

約数和(自身を除く): 8649483

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 4091, 12273, 28637, 36819, 85911, 200459, 257733, 601377, 1403213, 1804131, 4209639, 12628917]

約数ペア:

[(1, 12628917), (3, 4209639), (7, 1804131), (9, 1403213), (21, 601377), (49, 257733), (63, 200459), (147, 85911), (343, 36819), (441, 28637), (1029, 12273), (3087, 4091)]