78474261

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 116000640

約数和(自身を除く): 37526379

約数列:

[1, 3, 17, 29, 51, 87, 97, 291, 493, 547, 1479, 1641, 1649, 2813, 4947, 8439, 9299, 15863, 27897, 47589, 47821, 53059, 143463, 159177, 269671, 809013, 902003, 1538711, 2706009, 4616133, 26158087, 78474261]

約数ペア:

[(1, 78474261), (3, 26158087), (17, 4616133), (29, 2706009), (51, 1538711), (87, 902003), (97, 809013), (291, 269671), (493, 159177), (547, 143463), (1479, 53059), (1641, 47821), (1649, 47589), (2813, 27897), (4947, 15863), (8439, 9299)]