28278393

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2273}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 45843840

約数和(自身を除く): 17565447

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 2273, 4147, 6819, 12441, 25003, 29549, 65917, 75009, 88647, 197751, 325039, 725087, 856921, 975117, 2175261, 2570763, 9426131, 28278393]

約数ペア:

[(1, 28278393), (3, 9426131), (11, 2570763), (13, 2175261), (29, 975117), (33, 856921), (39, 725087), (87, 325039), (143, 197751), (319, 88647), (377, 75009), (429, 65917), (957, 29549), (1131, 25003), (2273, 12441), (4147, 6819)]