51911781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 75734400

約数和(自身を除く): 23822619

約数列:

[1, 3, 19, 41, 57, 97, 123, 229, 291, 687, 779, 1843, 2337, 3977, 4351, 5529, 9389, 11931, 13053, 22213, 28167, 66639, 75563, 178391, 226689, 422047, 535173, 910733, 1266141, 2732199, 17303927, 51911781]

約数ペア:

[(1, 51911781), (3, 17303927), (19, 2732199), (41, 1266141), (57, 910733), (97, 535173), (123, 422047), (229, 226689), (291, 178391), (687, 75563), (779, 66639), (1843, 28167), (2337, 22213), (3977, 13053), (4351, 11931), (5529, 9389)]