27893691

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3329}}^1$

素因数の和:3368

約数の個数: 36

約数和(自身を含む): 49350600

約数和(自身を除く): 21456909

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 3329, 8379, 9987, 23303, 29961, 63251, 69909, 163121, 189753, 209727, 442757, 489363, 569259, 1328271, 1468089, 3099299, 3984813, 9297897, 27893691]

約数ペア:

[(1, 27893691), (3, 9297897), (7, 3984813), (9, 3099299), (19, 1468089), (21, 1328271), (49, 569259), (57, 489363), (63, 442757), (133, 209727), (147, 189753), (171, 163121), (399, 69909), (441, 63251), (931, 29961), (1197, 23303), (2793, 9987), (3329, 8379)]