16970481

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 28978560

約数和(自身を除く): 12008079

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 207, 253, 257, 261, 319, 667, 759, 771, 957, 2001, 2277, 2313, 2827, 2871, 5911, 6003, 7337, 7453, 8481, 17733, 22011, 22359, 25443, 53199, 65021, 66033, 67077, 81983, 171419, 195063, 245949, 514257, 585189, 737847, 1542771, 1885609, 5656827, 16970481]

約数ペア:

[(1, 16970481), (3, 5656827), (9, 1885609), (11, 1542771), (23, 737847), (29, 585189), (33, 514257), (69, 245949), (87, 195063), (99, 171419), (207, 81983), (253, 67077), (257, 66033), (261, 65021), (319, 53199), (667, 25443), (759, 22359), (771, 22011), (957, 17733), (2001, 8481), (2277, 7453), (2313, 7337), (2827, 6003), (2871, 5911)]