42128025

素因数分解:

$3^1\times 5^2\times {\mathrm{331}}^1\times {\mathrm{1697}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 69903264

約数和(自身を除く): 27775239

約数列:

[1, 3, 5, 15, 25, 75, 331, 993, 1655, 1697, 4965, 5091, 8275, 8485, 24825, 25455, 42425, 127275, 561707, 1685121, 2808535, 8425605, 14042675, 42128025]

約数ペア:

[(1, 42128025), (3, 14042675), (5, 8425605), (15, 2808535), (25, 1685121), (75, 561707), (331, 127275), (993, 42425), (1655, 25455), (1697, 24825), (4965, 8485), (5091, 8275)]