18331785

素因数分解:

$3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 32780160

約数和(自身を除く): 14448375

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 251, 541, 753, 1255, 1623, 2259, 2705, 3765, 4869, 6777, 8115, 11295, 14607, 24345, 33885, 73035, 135791, 407373, 678955, 1222119, 2036865, 3666357, 6110595, 18331785]

約数ペア:

[(1, 18331785), (3, 6110595), (5, 3666357), (9, 2036865), (15, 1222119), (27, 678955), (45, 407373), (135, 135791), (251, 73035), (541, 33885), (753, 24345), (1255, 14607), (1623, 11295), (2259, 8115), (2705, 6777), (3765, 4869)]