28131435

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1091}}^1$

素因数の和:1296

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 22187925

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 955, 1091, 1719, 2865, 3273, 5157, 5455, 8595, 9819, 16365, 25785, 29457, 49095, 147285, 208381, 625143, 1041905, 1875429, 3125715, 5626287, 9377145, 28131435]

約数ペア:

[(1, 28131435), (3, 9377145), (5, 5626287), (9, 3125715), (15, 1875429), (27, 1041905), (45, 625143), (135, 208381), (191, 147285), (573, 49095), (955, 29457), (1091, 25785), (1719, 16365), (2865, 9819), (3273, 8595), (5157, 5455)]