26545869

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 46958080

約数和(自身を除く): 20412211

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 201, 331, 399, 469, 603, 993, 1197, 1273, 1407, 2317, 2979, 3819, 4221, 6289, 6951, 8911, 11457, 18867, 20853, 22177, 26733, 44023, 56601, 66531, 80199, 132069, 155239, 199593, 396207, 421363, 465717, 1264089, 1397151, 2949541, 3792267, 8848623, 26545869]

約数ペア:

[(1, 26545869), (3, 8848623), (7, 3792267), (9, 2949541), (19, 1397151), (21, 1264089), (57, 465717), (63, 421363), (67, 396207), (133, 199593), (171, 155239), (201, 132069), (331, 80199), (399, 66531), (469, 56601), (603, 44023), (993, 26733), (1197, 22177), (1273, 20853), (1407, 18867), (2317, 11457), (2979, 8911), (3819, 6951), (4221, 6289)]