26385471

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 48372480

約数和(自身を除く): 21987009

約数列:

[1, 3, 7, 9, 19, 21, 47, 49, 57, 63, 67, 133, 141, 147, 171, 201, 329, 399, 423, 441, 469, 603, 893, 931, 987, 1197, 1273, 1407, 2303, 2679, 2793, 2961, 3149, 3283, 3819, 4221, 6251, 6909, 8037, 8379, 8911, 9447, 9849, 11457, 18753, 20727, 22043, 26733, 28341, 29547, 43757, 56259, 59831, 62377, 66129, 80199, 131271, 154301, 179493, 187131, 198387, 393813, 418817, 462903, 538479, 561393, 1256451, 1388709, 2931719, 3769353, 8795157, 26385471]

約数ペア:

[(1, 26385471), (3, 8795157), (7, 3769353), (9, 2931719), (19, 1388709), (21, 1256451), (47, 561393), (49, 538479), (57, 462903), (63, 418817), (67, 393813), (133, 198387), (141, 187131), (147, 179493), (171, 154301), (201, 131271), (329, 80199), (399, 66129), (423, 62377), (441, 59831), (469, 56259), (603, 43757), (893, 29547), (931, 28341), (987, 26733), (1197, 22043), (1273, 20727), (1407, 18753), (2303, 11457), (2679, 9849), (2793, 9447), (2961, 8911), (3149, 8379), (3283, 8037), (3819, 6909), (4221, 6251)]