287721181

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 324741312

約数和(自身を除く): 37020131

約数列:

[1, 11, 71, 107, 121, 313, 781, 1177, 3443, 7597, 8591, 12947, 22223, 33491, 37873, 83567, 244453, 368401, 919237, 2377861, 2688983, 4052411, 26156471, 287721181]

約数ペア:

[(1, 287721181), (11, 26156471), (71, 4052411), (107, 2688983), (121, 2377861), (313, 919237), (781, 368401), (1177, 244453), (3443, 83567), (7597, 37873), (8591, 33491), (12947, 22223)]