68107725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 141365952

約数和(自身を除く): 73258227

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 83, 105, 175, 225, 249, 315, 415, 521, 525, 581, 747, 1245, 1563, 1575, 1743, 2075, 2605, 2905, 3647, 3735, 4689, 5229, 6225, 7815, 8715, 10941, 13025, 14525, 18235, 18675, 23445, 26145, 32823, 39075, 43243, 43575, 54705, 91175, 117225, 129729, 130725, 164115, 216215, 273525, 302701, 389187, 648645, 820575, 908103, 1081075, 1513505, 1945935, 2724309, 3243225, 4540515, 7567525, 9729675, 13621545, 22702575, 68107725]

約数ペア:

[(1, 68107725), (3, 22702575), (5, 13621545), (7, 9729675), (9, 7567525), (15, 4540515), (21, 3243225), (25, 2724309), (35, 1945935), (45, 1513505), (63, 1081075), (75, 908103), (83, 820575), (105, 648645), (175, 389187), (225, 302701), (249, 273525), (315, 216215), (415, 164115), (521, 130725), (525, 129729), (581, 117225), (747, 91175), (1245, 54705), (1563, 43575), (1575, 43243), (1743, 39075), (2075, 32823), (2605, 26145), (2905, 23445), (3647, 18675), (3735, 18235), (4689, 14525), (5229, 13025), (6225, 10941), (7815, 8715)]