51660819

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12239}}^1$

素因数の和:12319

約数の個数: 24

約数和(自身を含む): 86561280

約数和(自身を除く): 34900461

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 12239, 36717, 85673, 110151, 257019, 771057, 820013, 2460039, 5740091, 7380117, 17220273, 51660819]

約数ペア:

[(1, 51660819), (3, 17220273), (7, 7380117), (9, 5740091), (21, 2460039), (63, 820013), (67, 771057), (201, 257019), (469, 110151), (603, 85673), (1407, 36717), (4221, 12239)]