1729325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 2452968

約数和(自身を除く): 723643

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 313, 325, 425, 1105, 1565, 4069, 5321, 5525, 7825, 20345, 26605, 69173, 101725, 133025, 345865, 1729325]

約数ペア:

[(1, 1729325), (5, 345865), (13, 133025), (17, 101725), (25, 69173), (65, 26605), (85, 20345), (221, 7825), (313, 5525), (325, 5321), (425, 4069), (1105, 1565)]