2157345

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 3773952

約数和(自身を除く): 1616607

約数列:

[1, 3, 5, 9, 15, 45, 191, 251, 573, 753, 955, 1255, 1719, 2259, 2865, 3765, 8595, 11295, 47941, 143823, 239705, 431469, 719115, 2157345]

約数ペア:

[(1, 2157345), (3, 719115), (5, 431469), (9, 239705), (15, 143823), (45, 47941), (191, 11295), (251, 8595), (573, 3765), (753, 2865), (955, 2259), (1255, 1719)]