3820815

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 6671808

約数和(自身を除く): 2850993

約数列:

[1, 3, 5, 9, 15, 45, 197, 431, 591, 985, 1293, 1773, 2155, 2955, 3879, 6465, 8865, 19395, 84907, 254721, 424535, 764163, 1273605, 3820815]

約数ペア:

[(1, 3820815), (3, 1273605), (5, 764163), (9, 424535), (15, 254721), (45, 84907), (197, 19395), (431, 8865), (591, 6465), (985, 3879), (1293, 2955), (1773, 2155)]