81117387

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2399}}^1$

素因数の和:2452

約数の個数: 36

約数和(自身を含む): 134097600

約数和(自身を除く): 52980213

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 289, 663, 867, 1989, 2399, 2601, 3757, 7197, 11271, 21591, 31187, 33813, 40783, 93561, 122349, 280683, 367047, 530179, 693311, 1590537, 2079933, 4771611, 6239799, 9013043, 27039129, 81117387]

約数ペア:

[(1, 81117387), (3, 27039129), (9, 9013043), (13, 6239799), (17, 4771611), (39, 2079933), (51, 1590537), (117, 693311), (153, 530179), (221, 367047), (289, 280683), (663, 122349), (867, 93561), (1989, 40783), (2399, 33813), (2601, 31187), (3757, 21591), (7197, 11271)]