1581237

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 2749760

約数和(自身を除く): 1168523

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1321, 3963, 9247, 11889, 25099, 27741, 75297, 83223, 175693, 225891, 527079, 1581237]

約数ペア:

[(1, 1581237), (3, 527079), (7, 225891), (9, 175693), (19, 83223), (21, 75297), (57, 27741), (63, 25099), (133, 11889), (171, 9247), (399, 3963), (1197, 1321)]