71049681

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 114566400

約数和(自身を除く): 43516719

約数列:

[1, 3, 9, 17, 29, 51, 67, 87, 153, 201, 239, 261, 493, 603, 717, 1139, 1479, 1943, 2151, 3417, 4063, 4437, 5829, 6931, 10251, 12189, 16013, 17487, 20793, 33031, 36567, 48039, 62379, 99093, 117827, 144117, 272221, 297279, 353481, 464377, 816663, 1060443, 1393131, 2449989, 4179393, 7894409, 23683227, 71049681]

約数ペア:

[(1, 71049681), (3, 23683227), (9, 7894409), (17, 4179393), (29, 2449989), (51, 1393131), (67, 1060443), (87, 816663), (153, 464377), (201, 353481), (239, 297279), (261, 272221), (493, 144117), (603, 117827), (717, 99093), (1139, 62379), (1479, 48039), (1943, 36567), (2151, 33031), (3417, 20793), (4063, 17487), (4437, 16013), (5829, 12189), (6931, 10251)]