51121917

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 93450240

約数和(自身を除く): 42328323

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 71, 77, 99, 213, 231, 497, 639, 693, 781, 1039, 1491, 2343, 3117, 4473, 5467, 7029, 7273, 9351, 11429, 16401, 21819, 34287, 49203, 65457, 73769, 80003, 102861, 221307, 240009, 516383, 663921, 720027, 811459, 1549149, 2434377, 4647447, 5680213, 7303131, 17040639, 51121917]

約数ペア:

[(1, 51121917), (3, 17040639), (7, 7303131), (9, 5680213), (11, 4647447), (21, 2434377), (33, 1549149), (63, 811459), (71, 720027), (77, 663921), (99, 516383), (213, 240009), (231, 221307), (497, 102861), (639, 80003), (693, 73769), (781, 65457), (1039, 49203), (1491, 34287), (2343, 21819), (3117, 16401), (4473, 11429), (5467, 9351), (7029, 7273)]