31142745

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1171}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 55693440

約数和(自身を除く): 24550695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1171, 1773, 2955, 3513, 5319, 5855, 8865, 10539, 17565, 26595, 31617, 52695, 158085, 230687, 692061, 1153435, 2076183, 3460305, 6228549, 10380915, 31142745]

約数ペア:

[(1, 31142745), (3, 10380915), (5, 6228549), (9, 3460305), (15, 2076183), (27, 1153435), (45, 692061), (135, 230687), (197, 158085), (591, 52695), (985, 31617), (1171, 26595), (1773, 17565), (2955, 10539), (3513, 8865), (5319, 5855)]