51354945

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1931}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 91808640

約数和(自身を除く): 40453695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1773, 1931, 2955, 5319, 5793, 8865, 9655, 17379, 26595, 28965, 52137, 86895, 260685, 380407, 1141221, 1902035, 3423663, 5706105, 10270989, 17118315, 51354945]

約数ペア:

[(1, 51354945), (3, 17118315), (5, 10270989), (9, 5706105), (15, 3423663), (27, 1902035), (45, 1141221), (135, 380407), (197, 260685), (591, 86895), (985, 52137), (1773, 28965), (1931, 26595), (2955, 17379), (5319, 9655), (5793, 8865)]