26520543

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 45600256

約数和(自身を除く): 19079713

約数列:

[1, 3, 7, 9, 21, 61, 63, 67, 103, 183, 201, 309, 427, 469, 549, 603, 721, 927, 1281, 1407, 2163, 3843, 4087, 4221, 6283, 6489, 6901, 12261, 18849, 20703, 28609, 36783, 43981, 48307, 56547, 62109, 85827, 131943, 144921, 257481, 395829, 420961, 434763, 1262883, 2946727, 3788649, 8840181, 26520543]

約数ペア:

[(1, 26520543), (3, 8840181), (7, 3788649), (9, 2946727), (21, 1262883), (61, 434763), (63, 420961), (67, 395829), (103, 257481), (183, 144921), (201, 131943), (309, 85827), (427, 62109), (469, 56547), (549, 48307), (603, 43981), (721, 36783), (927, 28609), (1281, 20703), (1407, 18849), (2163, 12261), (3843, 6901), (4087, 6489), (4221, 6283)]