71553221

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 81490080

約数和(自身を除く): 9936859

約数列:

[1, 17, 19, 83, 157, 289, 323, 1411, 1577, 2669, 2983, 5491, 13031, 23987, 26809, 45373, 50711, 221527, 247589, 455753, 862087, 3765959, 4209013, 71553221]

約数ペア:

[(1, 71553221), (17, 4209013), (19, 3765959), (83, 862087), (157, 455753), (289, 247589), (323, 221527), (1411, 50711), (1577, 45373), (2669, 26809), (2983, 23987), (5491, 13031)]