52028571

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 82432000

約数和(自身を除く): 30403429

約数列:

[1, 3, 7, 21, 31, 93, 217, 229, 349, 651, 687, 1047, 1603, 2443, 4809, 7099, 7329, 10819, 21297, 32457, 49693, 75733, 79921, 149079, 227199, 239763, 559447, 1678341, 2477551, 7432653, 17342857, 52028571]

約数ペア:

[(1, 52028571), (3, 17342857), (7, 7432653), (21, 2477551), (31, 1678341), (93, 559447), (217, 239763), (229, 227199), (349, 149079), (651, 79921), (687, 75733), (1047, 49693), (1603, 32457), (2443, 21297), (4809, 10819), (7099, 7329)]