28560051

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 19321965

約数列:

[1, 3, 9, 13, 17, 39, 51, 83, 117, 153, 173, 221, 249, 519, 663, 747, 1079, 1411, 1557, 1989, 2249, 2941, 3237, 4233, 6747, 8823, 9711, 12699, 14359, 18343, 20241, 26469, 38233, 43077, 55029, 114699, 129231, 165087, 186667, 244103, 344097, 560001, 732309, 1680003, 2196927, 3173339, 9520017, 28560051]

約数ペア:

[(1, 28560051), (3, 9520017), (9, 3173339), (13, 2196927), (17, 1680003), (39, 732309), (51, 560001), (83, 344097), (117, 244103), (153, 186667), (173, 165087), (221, 129231), (249, 114699), (519, 55029), (663, 43077), (747, 38233), (1079, 26469), (1411, 20241), (1557, 18343), (1989, 14359), (2249, 12699), (2941, 9711), (3237, 8823), (4233, 6747)]