891768321

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{457}}^1\times {\mathrm{1381}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 1300091624

約数和(自身を除く): 408323303

約数列:

[1, 3, 9, 157, 457, 471, 1371, 1381, 1413, 4113, 4143, 12429, 71749, 215247, 216817, 631117, 645741, 650451, 1893351, 1951353, 5680053, 99085369, 297256107, 891768321]

約数ペア:

[(1, 891768321), (3, 297256107), (9, 99085369), (157, 5680053), (457, 1951353), (471, 1893351), (1371, 650451), (1381, 645741), (1413, 631117), (4113, 216817), (4143, 215247), (12429, 71749)]