2728305

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 4979520

約数和(自身を除く): 2251215

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 3191, 9573, 15955, 28719, 47865, 60629, 143595, 181887, 303145, 545661, 909435, 2728305]

約数ペア:

[(1, 2728305), (3, 909435), (5, 545661), (9, 303145), (15, 181887), (19, 143595), (45, 60629), (57, 47865), (95, 28719), (171, 15955), (285, 9573), (855, 3191)]