51121609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 68060160

約数和(自身を除く): 16938551

約数列:

[1, 7, 11, 19, 77, 83, 133, 209, 421, 581, 913, 1463, 1577, 2947, 4631, 6391, 7999, 11039, 17347, 32417, 34943, 55993, 87989, 121429, 244601, 384373, 615923, 663917, 2690611, 4647419, 7303087, 51121609]

約数ペア:

[(1, 51121609), (7, 7303087), (11, 4647419), (19, 2690611), (77, 663917), (83, 615923), (133, 384373), (209, 244601), (421, 121429), (581, 87989), (913, 55993), (1463, 34943), (1577, 32417), (2947, 17347), (4631, 11039), (6391, 7999)]