345865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 474768

約数和(自身を除く): 128903

約数列:

[1, 5, 13, 17, 65, 85, 221, 313, 1105, 1565, 4069, 5321, 20345, 26605, 69173, 345865]

約数ペア:

[(1, 345865), (5, 69173), (13, 26605), (17, 20345), (65, 5321), (85, 4069), (221, 1565), (313, 1105)]