280521879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{743}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 433257984

約数和(自身を除く): 152736105

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 673, 743, 2019, 2229, 7403, 8173, 11441, 12631, 22209, 24519, 34323, 37893, 125851, 138941, 377553, 416823, 500039, 1500117, 5500429, 8500663, 16501287, 25501989, 93507293, 280521879]

約数ペア:

[(1, 280521879), (3, 93507293), (11, 25501989), (17, 16501287), (33, 8500663), (51, 5500429), (187, 1500117), (561, 500039), (673, 416823), (743, 377553), (2019, 138941), (2229, 125851), (7403, 37893), (8173, 34323), (11441, 24519), (12631, 22209)]