209770645

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193337}}^1$

素因数の和:193380

約数の個数: 16

約数和(自身を含む): 296967168

約数和(自身を除く): 87196523

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 193337, 966685, 1353359, 5993447, 6766795, 29967235, 41954129, 209770645]

約数ペア:

[(1, 209770645), (5, 41954129), (7, 29967235), (31, 6766795), (35, 5993447), (155, 1353359), (217, 966685), (1085, 193337)]