397777287

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{5351}}^1$

素因数の和:5774

約数の個数: 16

約数和(自身を含む): 539481600

約数和(自身を除く): 141704313

約数列:

[1, 3, 71, 213, 349, 1047, 5351, 16053, 24779, 74337, 379921, 1139763, 1867499, 5602497, 132592429, 397777287]

約数ペア:

[(1, 397777287), (3, 132592429), (71, 5602497), (213, 1867499), (349, 1139763), (1047, 379921), (5351, 74337), (16053, 24779)]