28305663

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 14203137

約数列:

[1, 3, 17, 23, 51, 59, 69, 177, 391, 409, 1003, 1173, 1227, 1357, 3009, 4071, 6953, 9407, 20859, 23069, 24131, 28221, 69207, 72393, 159919, 410227, 479757, 555013, 1230681, 1665039, 9435221, 28305663]

約数ペア:

[(1, 28305663), (3, 9435221), (17, 1665039), (23, 1230681), (51, 555013), (59, 479757), (69, 410227), (177, 159919), (391, 72393), (409, 69207), (1003, 28221), (1173, 24131), (1227, 23069), (1357, 20859), (3009, 9407), (4071, 6953)]