320173965

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10007}}^1$

素因数の和:10103

約数の個数: 40

約数和(自身を含む): 581264640

約数和(自身を除く): 261090675

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 3555, 6399, 10007, 10665, 30021, 31995, 50035, 90063, 150105, 270189, 450315, 790553, 810567, 1350945, 2371659, 3952765, 4052835, 7114977, 11858295, 21344931, 35574885, 64034793, 106724655, 320173965]

約数ペア:

[(1, 320173965), (3, 106724655), (5, 64034793), (9, 35574885), (15, 21344931), (27, 11858295), (45, 7114977), (79, 4052835), (81, 3952765), (135, 2371659), (237, 1350945), (395, 810567), (405, 790553), (711, 450315), (1185, 270189), (2133, 150105), (3555, 90063), (6399, 50035), (10007, 31995), (10665, 30021)]