26497989

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 48537600

約数和(自身を除く): 22039611

約数列:

[1, 3, 7, 9, 19, 21, 27, 47, 57, 63, 133, 141, 157, 171, 189, 329, 399, 423, 471, 513, 893, 987, 1099, 1197, 1269, 1413, 2679, 2961, 2983, 3297, 3591, 4239, 6251, 7379, 8037, 8883, 8949, 9891, 18753, 20881, 22137, 24111, 26847, 29673, 51653, 56259, 62643, 66411, 80541, 140201, 154959, 168777, 187929, 199233, 420603, 464877, 563787, 981407, 1261809, 1394631, 2944221, 3785427, 8832663, 26497989]

約数ペア:

[(1, 26497989), (3, 8832663), (7, 3785427), (9, 2944221), (19, 1394631), (21, 1261809), (27, 981407), (47, 563787), (57, 464877), (63, 420603), (133, 199233), (141, 187929), (157, 168777), (171, 154959), (189, 140201), (329, 80541), (399, 66411), (423, 62643), (471, 56259), (513, 51653), (893, 29673), (987, 26847), (1099, 24111), (1197, 22137), (1269, 20881), (1413, 18753), (2679, 9891), (2961, 8949), (2983, 8883), (3297, 8037), (3591, 7379), (4239, 6251)]