12172405

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15121}}^1$

素因数の和:15156

約数の個数: 16

約数和(自身を含む): 17420544

約数和(自身を除く): 5248139

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 15121, 75605, 105847, 347783, 529235, 1738915, 2434481, 12172405]

約数ペア:

[(1, 12172405), (5, 2434481), (7, 1738915), (23, 529235), (35, 347783), (115, 105847), (161, 75605), (805, 15121)]