428025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 763840

約数和(自身を除く): 335815

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 439, 975, 1317, 2195, 5707, 6585, 10975, 17121, 28535, 32925, 85605, 142675, 428025]

約数ペア:

[(1, 428025), (3, 142675), (5, 85605), (13, 32925), (15, 28535), (25, 17121), (39, 10975), (65, 6585), (75, 5707), (195, 2195), (325, 1317), (439, 975)]