1212561

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 2109120

約数和(自身を除く): 896559

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1013, 1197, 3039, 7091, 9117, 19247, 21273, 57741, 63819, 134729, 173223, 404187, 1212561]

約数ペア:

[(1, 1212561), (3, 404187), (7, 173223), (9, 134729), (19, 63819), (21, 57741), (57, 21273), (63, 19247), (133, 9117), (171, 7091), (399, 3039), (1013, 1197)]