1894221

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 3167424

約数和(自身を除く): 1273203

約数列:

[1, 3, 7, 9, 21, 63, 107, 281, 321, 749, 843, 963, 1967, 2247, 2529, 5901, 6741, 17703, 30067, 90201, 210469, 270603, 631407, 1894221]

約数ペア:

[(1, 1894221), (3, 631407), (7, 270603), (9, 210469), (21, 90201), (63, 30067), (107, 17703), (281, 6741), (321, 5901), (749, 2529), (843, 2247), (963, 1967)]