22778691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 36309504

約数和(自身を除く): 13530813

約数列:

[1, 3, 13, 17, 39, 43, 47, 51, 129, 141, 221, 289, 559, 611, 663, 731, 799, 867, 1677, 1833, 2021, 2193, 2397, 3757, 6063, 9503, 10387, 11271, 12427, 13583, 26273, 28509, 31161, 34357, 37281, 40749, 78819, 103071, 161551, 176579, 446641, 484653, 529737, 584069, 1339923, 1752207, 7592897, 22778691]

約数ペア:

[(1, 22778691), (3, 7592897), (13, 1752207), (17, 1339923), (39, 584069), (43, 529737), (47, 484653), (51, 446641), (129, 176579), (141, 161551), (221, 103071), (289, 78819), (559, 40749), (611, 37281), (663, 34357), (731, 31161), (799, 28509), (867, 26273), (1677, 13583), (1833, 12427), (2021, 11271), (2193, 10387), (2397, 9503), (3757, 6063)]