68421345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1069}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 116484480

約数和(自身を除く): 48063135

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 753, 1069, 1255, 3207, 3765, 4267, 5345, 12801, 16035, 18173, 21335, 54519, 64005, 90865, 268319, 272595, 804957, 1341595, 4024785, 4561423, 13684269, 22807115, 68421345]

約数ペア:

[(1, 68421345), (3, 22807115), (5, 13684269), (15, 4561423), (17, 4024785), (51, 1341595), (85, 804957), (251, 272595), (255, 268319), (753, 90865), (1069, 64005), (1255, 54519), (3207, 21335), (3765, 18173), (4267, 16035), (5345, 12801)]