3941721

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 7113600

約数和(自身を除く): 3171879

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 89, 111, 133, 171, 259, 267, 333, 399, 623, 703, 777, 801, 1197, 1691, 1869, 2109, 2331, 3293, 4921, 5073, 5607, 6327, 9879, 11837, 14763, 15219, 23051, 29637, 35511, 44289, 62567, 69153, 106533, 187701, 207459, 437969, 563103, 1313907, 3941721]

約数ペア:

[(1, 3941721), (3, 1313907), (7, 563103), (9, 437969), (19, 207459), (21, 187701), (37, 106533), (57, 69153), (63, 62567), (89, 44289), (111, 35511), (133, 29637), (171, 23051), (259, 15219), (267, 14763), (333, 11837), (399, 9879), (623, 6327), (703, 5607), (777, 5073), (801, 4921), (1197, 3293), (1691, 2331), (1869, 2109)]