12741911

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 16221744

約数和(自身を除く): 3479833

約数列:

[1, 7, 13, 49, 83, 91, 241, 581, 637, 1079, 1687, 3133, 4067, 7553, 11809, 20003, 21931, 52871, 140021, 153517, 260039, 980147, 1820273, 12741911]

約数ペア:

[(1, 12741911), (7, 1820273), (13, 980147), (49, 260039), (83, 153517), (91, 140021), (241, 52871), (581, 21931), (637, 20003), (1079, 11809), (1687, 7553), (3133, 4067)]