81474285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1129}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 138637440

約数和(自身を除く): 57163155

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 283, 849, 1129, 1415, 3387, 4245, 4811, 5645, 14433, 16935, 19193, 24055, 57579, 72165, 95965, 287895, 319507, 958521, 1597535, 4792605, 5431619, 16294857, 27158095, 81474285]

約数ペア:

[(1, 81474285), (3, 27158095), (5, 16294857), (15, 5431619), (17, 4792605), (51, 1597535), (85, 958521), (255, 319507), (283, 287895), (849, 95965), (1129, 72165), (1415, 57579), (3387, 24055), (4245, 19193), (4811, 16935), (5645, 14433)]