71134427

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 93172464

約数和(自身を除く): 22038037

約数列:

[1, 7, 13, 43, 49, 53, 91, 301, 343, 371, 559, 637, 689, 2107, 2279, 2401, 2597, 3913, 4459, 4823, 14749, 15953, 18179, 27391, 29627, 31213, 33761, 103243, 111671, 127253, 191737, 207389, 236327, 781697, 1342159, 1451723, 1654289, 5471879, 10162061, 71134427]

約数ペア:

[(1, 71134427), (7, 10162061), (13, 5471879), (43, 1654289), (49, 1451723), (53, 1342159), (91, 781697), (301, 236327), (343, 207389), (371, 191737), (559, 127253), (637, 111671), (689, 103243), (2107, 33761), (2279, 31213), (2401, 29627), (2597, 27391), (3913, 18179), (4459, 15953), (4823, 14749)]