820281

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 1410048

約数和(自身を除く): 589767

約数列:

[1, 3, 7, 11, 21, 33, 53, 67, 77, 159, 201, 231, 371, 469, 583, 737, 1113, 1407, 1749, 2211, 3551, 4081, 5159, 10653, 12243, 15477, 24857, 39061, 74571, 117183, 273427, 820281]

約数ペア:

[(1, 820281), (3, 273427), (7, 117183), (11, 74571), (21, 39061), (33, 24857), (53, 15477), (67, 12243), (77, 10653), (159, 5159), (201, 4081), (231, 3551), (371, 2211), (469, 1749), (583, 1407), (737, 1113)]