1261785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 2356992

約数和(自身を除く): 1095207

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 197, 305, 427, 591, 915, 985, 1281, 1379, 2135, 2955, 4137, 6405, 6895, 12017, 20685, 36051, 60085, 84119, 180255, 252357, 420595, 1261785]

約数ペア:

[(1, 1261785), (3, 420595), (5, 252357), (7, 180255), (15, 84119), (21, 60085), (35, 36051), (61, 20685), (105, 12017), (183, 6895), (197, 6405), (305, 4137), (427, 2955), (591, 2135), (915, 1379), (985, 1281)]