129216915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3187}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 241701408

約数和(自身を除く): 112484493

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 765, 795, 901, 2385, 2703, 3187, 4505, 8109, 9561, 13515, 15935, 28683, 40545, 47805, 54179, 143415, 162537, 168911, 270895, 487611, 506733, 812685, 844555, 1520199, 2438055, 2533665, 2871487, 7600995, 8614461, 14357435, 25843383, 43072305, 129216915]

約数ペア:

[(1, 129216915), (3, 43072305), (5, 25843383), (9, 14357435), (15, 8614461), (17, 7600995), (45, 2871487), (51, 2533665), (53, 2438055), (85, 1520199), (153, 844555), (159, 812685), (255, 506733), (265, 487611), (477, 270895), (765, 168911), (795, 162537), (901, 143415), (2385, 54179), (2703, 47805), (3187, 40545), (4505, 28683), (8109, 15935), (9561, 13515)]