404328405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1\times {\mathrm{1451}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 697656960

約数和(自身を除く): 293328555

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1429, 1451, 4287, 4353, 7145, 7255, 18577, 18863, 21435, 21765, 55731, 56589, 92885, 94315, 278655, 282945, 2073479, 6220437, 10367395, 26955227, 31102185, 80865681, 134776135, 404328405]

約数ペア:

[(1, 404328405), (3, 134776135), (5, 80865681), (13, 31102185), (15, 26955227), (39, 10367395), (65, 6220437), (195, 2073479), (1429, 282945), (1451, 278655), (4287, 94315), (4353, 92885), (7145, 56589), (7255, 55731), (18577, 21765), (18863, 21435)]